Introduction to Programming with Python and Java Specialization

 

Introduction to Programming with Python and Java Specialization: A Gateway to Coding Excellence

Introduction

In today’s digital era, programming is no longer just a skill for computer scientists—it has become a critical competency across industries. From data analysis and artificial intelligence to mobile apps and web development, coding forms the backbone of innovation. For beginners eager to enter the world of programming, the Introduction to Programming with Python and Java Specialization offers a structured and beginner-friendly pathway. By learning two of the most popular languages—Python and Java—students gain a solid foundation that prepares them for both academic pursuits and professional careers in technology.

What Is the Introduction to Programming with Python and Java Specialization?

This specialization, often offered on platforms like Coursera (by Duke University), is designed as a beginner-level program that teaches programming concepts from scratch. Unlike many coding courses that focus on a single language, this specialization covers both Python and Java, allowing learners to understand the similarities and differences between them. This dual exposure makes it particularly valuable for learners who want flexibility in career opportunities, as Python dominates in data science and AI, while Java remains a cornerstone of enterprise systems and Android development.

The specialization consists of multiple courses, each focused on introducing core concepts, problem-solving techniques, and hands-on projects. By the end, learners not only know how to write programs but also how to think like programmers.

Why Learn Both Python and Java?

Python and Java are two of the most widely used programming languages in the world, but they serve different purposes.

Python is praised for its simplicity, readability, and versatility. It is widely used in data science, machine learning, automation, and web development. For beginners, Python offers a gentle learning curve with minimal syntax complexity.

Java, on the other hand, is a strongly typed, object-oriented language that powers enterprise applications, Android apps, and large-scale systems. It introduces learners to programming structures and discipline that are valuable for long-term growth as developers.

By learning both, students develop adaptability, stronger problem-solving skills, and the ability to transition between programming paradigms—making them highly competitive in the job market.

Who Should Enroll in This Specialization?

The specialization is tailored for absolute beginners with no prior programming experience. It is also suitable for:

Students interested in computer science or engineering.

Career changers who want to enter the tech industry.

Professionals looking to add coding skills to their toolkit.

Curious learners eager to understand how software, apps, and algorithms work.

Because the courses start with the basics, all you need is motivation, logical thinking, and a computer to practice coding.

Course Breakdown and Learning Path

Introduction to Programming with Python

The specialization begins with Python, introducing learners to programming concepts such as variables, loops, conditionals, and functions. Python’s simple syntax makes it easier for beginners to focus on problem-solving rather than technical details. Learners engage in small projects like text-based games, data manipulation, and algorithm exercises, building confidence along the way.

Introduction to Programming with Java

Once learners are comfortable with programming fundamentals, the focus shifts to Java. This course covers object-oriented programming concepts such as classes, objects, inheritance, and encapsulation. Java’s more structured approach helps learners understand how to design larger programs, work with data structures, and build modular applications.

Problem-Solving and Applications

The specialization emphasizes problem-solving through hands-on assignments and real-world examples. Learners practice breaking down complex tasks into smaller steps and translating them into code. Projects often include simulations, data-driven applications, or mini software programs that combine both Python and Java.

Capstone Project

The final stage typically involves a capstone project where learners apply their knowledge to solve a comprehensive problem. This could involve building a game, analyzing datasets, or creating an application that integrates multiple programming concepts. Completing the capstone demonstrates mastery and provides a portfolio piece for future job applications.

Skills You Will Gain

By completing this specialization, learners develop a range of valuable skills, including:

• Writing and debugging programs in Python and Java.
• Understanding core computer science concepts like loops, arrays, functions, and objects.
• Applying problem-solving strategies to real-world challenges.
• Building projects that showcase coding abilities.
• Gaining the confidence to learn additional languages and frameworks in the future.

Career Benefits of Learning Python and Java

Learning Python and Java together offers a unique advantage in the job market. Python skills are highly sought after in data science, AI, automation, and research-based fields, while Java continues to dominate enterprise software, backend development, and mobile app development. Employers often value candidates who can work with more than one language, as it demonstrates versatility and adaptability.

Furthermore, programming knowledge enhances problem-solving skills that are transferable across roles—even outside the tech industry. For example, analysts, financial professionals, and scientists can apply programming to automate tasks, analyze data, and create innovative solutions.

Why This Specialization Stands Out

Several factors make this specialization particularly effective:

• Dual focus on Python and Java for well-rounded learning.
• Beginner-friendly design, starting from the basics.
• Practical, project-based learning that goes beyond theory.
• Guidance from expert instructors, often from leading universities.
• Flexible online learning that allows self-paced progress.
• It is not just about learning syntax; it is about learning how to think like a programmer.

Tips for Success in the Specialization

To get the most out of the specialization, learners should:

• Practice daily—coding is best learned through consistent practice.
• Experiment—don’t just follow tutorials, try modifying code to see how it behaves.
• Seek help through discussion forums and coding communities.
• Apply knowledge to personal projects, such as automating tasks or analyzing small datasets.
• Build a portfolio with assignments and the capstone project to showcase skills to employers.

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Conclusion:

The Introduction to Programming with Python and Java Specialization is more than just a set of courses—it is a stepping stone into the world of technology. By mastering two of the most widely used programming languages, learners gain a powerful foundation to pursue careers in software development, data science, and beyond. Whether you are a student, a career changer, or simply curious about coding, this specialization offers the tools, knowledge, and confidence to turn your ideas into reality.

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Mastering RESTful Web Services with Java: Practical guide for building secure and scalable production-ready REST APIs

 

Mastering RESTful Web Services with Java: A Practical Guide for Building Secure and Scalable Production-Ready REST APIs

Introduction

In today’s interconnected world, RESTful APIs have become the backbone of modern web applications, enabling seamless communication between distributed systems. Java, with its mature ecosystem and enterprise-grade capabilities, remains one of the top choices for building robust APIs. This guide walks you through mastering RESTful web services with Java, focusing on best practices for scalability, security, and production readiness.

Why RESTful APIs?

REST (Representational State Transfer) is an architectural style that uses HTTP methods to perform operations on resources. REST APIs are scalable due to their stateless design, interoperable across platforms and languages, and lightweight since they typically use JSON or XML for data exchange.

Core Concepts of REST

Before diving into Java implementation, it is important to understand the core concepts of REST. Resources are entities exposed via URLs (e.g., /users/1). Operations are performed using HTTP methods like GET, POST, PUT, and DELETE. REST APIs are stateless, meaning each request contains all necessary information. Data representations are generally handled in JSON or XML format.

Choosing the Right Java Framework

Several Java frameworks simplify building RESTful APIs. Spring Boot is the most popular, offering opinionated and rapid development. Jakarta EE (JAX-RS) provides enterprise-grade standards, while Micronaut and Quarkus are optimized for lightweight microservices and cloud-native deployments. For most developers, Spring Boot is the go-to choice due to its rich ecosystem and simplicity.

Building a REST API with Spring Boot

To build a REST API in Spring Boot, start by setting up a project with dependencies such as Spring Web, Spring Data JPA, and Spring Security. Define your model class for data entities, create a repository for database interactions, and implement a controller to handle HTTP requests. The controller exposes endpoints for CRUD operations such as retrieving, creating, updating, and deleting users.

Securing REST APIs

Security is crucial in production environments. Common approaches include implementing JWT (JSON Web Tokens) for authentication, using OAuth2 for third-party integrations, enforcing HTTPS for secure communication, validating input to prevent injection attacks, and applying rate limiting to guard against abuse. Role-based access control (RBAC) is also vital for assigning privileges.

Making APIs Production-Ready

Building an API is only the beginning; preparing it for production is the real challenge. Production readiness involves scalability through stateless design and load balancing, caching with tools like Redis, and observability using Spring Boot Actuator, logging, and distributed tracing. Proper error handling ensures meaningful responses, while Swagger/OpenAPI provides interactive documentation. Finally, rigorous testing using JUnit, Mockito, and Spring Boot Test is essential.

Scaling Beyond Basics

Once your API is functional, scaling requires advanced strategies. Moving to a microservices architecture using Spring Cloud can increase flexibility. Circuit breakers with Resilience4j improve resilience, while API gateways like Spring Cloud Gateway handle routing and security. Deployment should leverage containerization with Docker and orchestration using Kubernetes.

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Conclusion

Mastering RESTful web services with Java requires more than coding endpoints. It is about building secure, scalable, and maintainable APIs ready for enterprise use. By leveraging frameworks such as Spring Boot, applying robust security practices, and ensuring monitoring and observability, developers can deliver production-ready APIs that support high-demand applications.

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Programming Foundations with JavaScript, HTML and CSS

 

Programming Foundations with JavaScript, HTML and CSS: Build a Solid Start in Web Development

Introduction

In the ever-evolving world of technology, web development is one of the most in-demand skills across the globe. Whether you're aspiring to become a front-end developer, web designer, or software engineer, understanding the core technologies that power the web—JavaScript, HTML, and CSS—is essential. The "Programming Foundations with JavaScript, HTML and CSS" course, offered by Duke University through Coursera, is a beginner-friendly introduction that lays the groundwork for anyone looking to enter the field of web development or software engineering.

This course is the first step in Duke University’s larger specialization on Java programming and software engineering fundamentals. It’s designed for learners with no prior coding experience, making it ideal for absolute beginners.

Why This Course Stands Out

Unlike traditional programming courses that dive straight into syntax and functions, this course emphasizes foundational problem-solving skills and visual learning. By using JavaScript in combination with HTML and CSS, students don’t just learn to code—they learn how to think like a developer and build interactive applications that run in the browser.

The course is designed to be hands-on and engaging. You’ll write code, build real projects, and develop the mindset required to tackle more complex programming challenges later on.

Core Concepts Covered

1. Introduction to Programming Concepts

The course starts with the basics of programming, including:

• Variables and data types
• Conditional statements (if/else)
• Loops (while and for)
• Functions and modular coding

These fundamental concepts are introduced using JavaScript, one of the most versatile and beginner-friendly programming languages.

2. Building Web Pages with HTML and CSS

In addition to JavaScript, you'll also learn the structure and design of web pages using:

• HTML (HyperText Markup Language) to create structure
• CSS (Cascading Style Sheets) to add styling, layout, and responsiveness

This helps learners understand how JavaScript interacts with HTML/CSS to create dynamic web content.

3. Making Interactive Applications

With the basics in place, you’ll begin building interactive programs, such as:

• Simple games and visual effects
• Applications that respond to user input
• Pages that change dynamically using JavaScript and the DOM (Document Object Model)

This makes the learning experience fun and immediately applicable.

4. Debugging and Problem Solving

The course emphasizes a structured approach to:

• Debugging and fixing errors
• Writing clear, understandable code
• Breaking down complex problems into manageable steps

These skills are crucial for becoming an effective programmer.

What You Will Learn

By the end of the course, you will be able to:

• Write basic programs using JavaScript syntax and logic
• Structure web pages using HTML and style them with CSS
• Make web pages interactive by manipulating the DOM with JavaScript
• Build and test small, interactive applications
• Think algorithmically and apply logic to solve programming problems
• Prepare for more advanced programming courses in Java or web development

Hands-On Projects

The course includes engaging mini-projects such as:

• Creating a simple web-based game
• Developing a program that responds to user input
• Building a dynamic webpage with real-time updates

These projects give learners immediate feedback and a sense of accomplishment.

Who Should Take This Course?

This course is ideal for:

• Absolute beginners with no prior programming knowledge
• High school or college students interested in coding
• Career changers transitioning into tech
• Aspiring web developers or software engineers
• Anyone curious about how websites and interactive apps are built

Learning Experience and Format

The course is delivered entirely online through Coursera, with features such as:

• Pre-recorded video lectures
• Interactive coding exercises within the browser
• Quizzes to test your understanding
• Peer discussions and assignments for collaborative learning
• It’s self-paced, so learners can progress based on their own schedules.

Foundation for Future Learning

By mastering the basics in this course, you will be well-prepared to:

• Advance to more complex JavaScript frameworks like React or Angular
• Dive deeper into software engineering with Java, Python, or C++
• Take part in web development bootcamps or full-stack development courses
• Start building a professional portfolio with your own projects

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Conclusion

The "Programming Foundations with JavaScript, HTML and CSS" course offers a fun, practical, and beginner-friendly introduction to the world of coding. With a strong focus on logical thinking, hands-on projects, and real-world relevance, it gives learners a solid foundation for their journey into software development.

Whether you're planning a career in tech or just want to understand the digital world around you, this course is the perfect place to start.

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Java Programming and Software Engineering Fundamentals Specialization

 

Java Programming and Software Engineering Fundamentals Specialization: Kickstart Your Coding Career

Introduction

In today’s tech-driven world, learning programming is one of the most valuable skills you can acquire—and Java remains one of the most in-demand languages globally. The Java Programming and Software Engineering Fundamentals Specialization, offered by Duke University on Coursera, is designed to help absolute beginners build solid foundations in both Java programming and software development best practices.

This specialization is ideal for anyone looking to enter software engineering, web development, or mobile app development without any prior programming experience. It covers both coding and the broader software engineering lifecycle, making it a great launchpad for future developers.

What the Specialization Covers

This specialization focuses on teaching you to code in Java while also equipping you with real-world software engineering skills such as debugging, testing, version control, and working with data. Unlike many coding courses that only teach syntax, this program teaches you how to think like a programmer, build software systems, and follow best development practices used by professional teams.

It’s project-driven, interactive, and beginner-friendly—making it an ideal first step into the world of tech.

Courses Included in the Specialization

The specialization consists of 5 courses, each one carefully designed to build your skills progressively:

1. Programming Foundations with JavaScript, HTML and CSS

Although this specialization focuses on Java, it starts with the basics of programming using JavaScript, HTML, and CSS. This course introduces key programming concepts in a highly visual and accessible way, helping you understand logic, variables, loops, conditionals, and web technologies.

2. Java Programming: Solving Problems with Software

In this course, you'll start working with Java. You’ll learn:

• Writing Java code using Eclipse IDE
• Control flow (if/else, loops)
• Methods and functions
• Code reusability and modular design

You’ll also solve practical problems involving string processing, pattern recognition, and more.

3. Java Programming: Arrays, Lists, and Structured Data

This course introduces essential data structures in Java:

• Arrays and ArrayLists
• Reading and processing CSV files
• Implementing algorithms with structured data

You’ll also build real-world applications like earthquake data analysis and recommendation systems.

4. Principles of Software Design

Beyond coding, you’ll learn software design principles that help you build better, more scalable applications:

• Object-oriented programming (OOP)
• Code refactoring
• Abstraction and encapsulation
• Reusable design patterns

This course will help you write cleaner, more maintainable code.

5. Building a Recommendation System with Java

This is the capstone project, where you apply everything you’ve learned. You'll build a recommendation system using real movie data. This hands-on project brings together your Java skills, data processing, and design thinking into one comprehensive final build.

What You Will Learn

By the end of this specialization, you will:

• Understand core programming concepts like loops, conditionals, functions, and recursion
• Write and debug programs in Java using the Eclipse IDE
• Work with structured data using arrays, lists, and hash maps
• Build interactive and scalable software using object-oriented design
• Design and implement real-world applications like movie recommenders and data filters
• Understand how software development works in teams with version control and code reviews
• Gain a working knowledge of web programming basics with HTML, CSS, and JavaScript

Why Java?

Java is a powerful, versatile language that is used in everything from Android apps and desktop software to large-scale enterprise systems. It's known for its portability, performance, and robust ecosystem. Learning Java not only teaches you how to program, but also sets you up for more advanced topics like data structures, algorithms, and back-end development.

Who Should Take This Specialization?

This specialization is perfect for:

• Absolute beginners with no prior programming experience
• Aspiring software developers and engineers
• Students preparing for university-level computer science
• Professionals switching to a tech career
• Anyone interested in learning to code in a structured, hands-on environment

Hands-On and Project-Based Learning

Each course includes:

• Video lectures
• Interactive quizzes
• Peer-graded assignments
• Real-world projects

You’ll get to write and test actual code, work with real datasets, and receive feedback from the community. By the end, you’ll have a portfolio of small projects and a final capstone that demonstrates your skills to potential employers or academic programs.

Real-World Applications

Completing this specialization equips you to:

• Build basic Java applications from scratch
• Analyze and manipulate data using custom-built programs
• Contribute to real software projects using version control
• Continue into more advanced areas like Android development, back-end development, or data science
• Prepare for technical interviews and coding bootcamps

Join Now : Java Programming and Software Engineering Fundamentals Specialization

Conclusion

The Java Programming and Software Engineering Fundamentals Specialization is more than just a coding course—it's a complete, hands-on introduction to the world of software development. With a perfect blend of programming, data processing, and software engineering principles, it provides the ideal foundation for anyone looking to break into tech.

Whether you want to build apps, analyze data, or become a full-stack developer, this specialization gives you the tools and mindset to succeed.

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HarvardX: CS50's Web Programming with Python and JavaScript

HarvardX: CS50's Web Programming with Python and JavaScript – Build Real-World Web Apps from Scratch

If you've ever dreamed of building the next great web application—from a dynamic blog to a full-fledged e-commerce platform—HarvardX’s CS50's Web Programming with Python and JavaScript is one of the most comprehensive and high-quality ways to learn how. This course, a natural progression after CS50x, equips you with everything you need to become a full-stack web developer using Python, JavaScript, HTML, CSS, and several powerful frameworks.

What You’ll Learn

This course teaches you how to design, develop, and deploy modern web applications. You’ll gain a deep understanding of both frontend and backend technologies, and you’ll learn how they interact to create seamless user experiences.

Key Topics Include:

HTML, CSS, and Git – The building blocks of web content and styling

Python and Django – Backend logic, routing, templates, models, and admin interfaces

JavaScript and DOM Manipulation – Making sites dynamic and interactive

APIs and JSON – Consuming and exposing data through RESTful endpoints

SQL and Data Modeling – Persistent data storage using SQLite and PostgreSQL

User Authentication – Logins, sessions, and access control

Unit Testing – Ensuring code quality and stability

WebSockets – Real-time communication (e.g., chat apps)

Frontend Frameworks – Introduction to modern JavaScript tools and libraries

Course Structure

The course consists of video lectures, code examples, and challenging projects, all tightly integrated and professionally delivered.

Lectures

Taught by Brian Yu, whose teaching style is calm, clear, and practical.

Examples are immediately relevant and code-heavy.

Concepts are broken into digestible chunks.

Projects

Each week concludes with a hands-on project that solidifies learning:

Wiki – A Markdown-based encyclopedia

Commerce – A marketplace site with bidding functionality

Mail – An email client using JavaScript for async UI

Network – A Twitter-like social network

Capstone Project – A final project of your own design, built and deployed

 Tools & Frameworks Used

Technology Use Case

Python Backend logic

Django Web framework

HTML/CSS Page structure and styling

JavaScript (ES6+) Dynamic interactivity

SQLite/PostgreSQL Databases

Bootstrap Responsive design

Git Version control

Heroku Deployment platform (or alternatives like Render or Fly.io)

Who Is This Course For?

This course is perfect for:

CS50x alumni who want to specialize in web development

Self-taught developers ready to structure their learning

Aspiring full-stack developers

Tech entrepreneurs and product builders

Computer Science students who want hands-on skills for internships and jobs

Why This Course Stands Out

Real-World Relevance

Projects mirror actual startup and enterprise needs, such as user authentication, databases, and asynchronous UIs.

Modern Stack

Django and JavaScript are widely used in real-world applications, and this course doesn’t teach outdated methods.

Learn by Doing

Each project requires you to think like an engineer, plan features, write code, debug, and deploy.

Resume-Worthy Portfolio

You’ll finish with multiple full-stack applications and a capstone project, perfect for GitHub or job applications.

Certification and Outcomes

While auditing the course is free, you can opt to pay for a verified certificate from HarvardX—an excellent way to demonstrate your skills to employers or include in your LinkedIn profile.

By the end of the course, you’ll be able to:

Build and deploy a complete web app from scratch

Understand both client-side and server-side code

Work with relational databases

Use APIs and handle asynchronous operations

Collaborate using Git and development best practices

Join Free : HarvardX: CS50's Web Programming with Python and JavaScript

Final Thoughts

CS50's Web Programming with Python and JavaScript is not just a tutorial—it’s a professional-grade curriculum designed to transform learners into web developers. With a perfect balance of theory and practice, and the credibility of Harvard behind it, this course is one of the best free web development programs available online.

Whether you want to become a web developer, build your own products, or just deepen your CS knowledge, this course will give you the tools and confidence to create real, working applications.

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Quiz on Basics of Java, Loops and Conditional Statements

 

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Computer Science: Programming with a Purpose

 

Are you eager to dive into the world of Java programming and software engineering? Coursera offers an excellent course titled Java Programming and Software Engineering Fundamentals that provides a comprehensive foundation in these essential skills. Whether you're a beginner or looking to refresh your knowledge, this course is a great starting point.

Why Learn Java?

Java is one of the most widely-used programming languages in the world. Its versatility, robustness, and cross-platform capabilities make it a favorite among developers. Java powers a multitude of applications, from mobile apps to large-scale enterprise systems. By learning Java, you open doors to a vast array of career opportunities in software development, web development, data science, and more.

Course Overview

The "Java Programming and Software Engineering Fundamentals" course is designed to take you from zero to proficient in Java programming. Here's a breakdown of what you can expect:

1. Introduction to Java Programming

   • Understand the basics of Java syntax and structure.
   • Learn to write simple Java programs.
   • Get acquainted with essential programming concepts such as variables, data types, and control structures.

2. Object-Oriented Programming (OOP)

   • Dive into the principles of OOP, a core paradigm in Java.
   • Master concepts like classes, objects, inheritance, and polymorphism.
   • Develop skills to design and implement complex software systems.

3. Data Structures and Algorithms

   • Learn about essential data structures like arrays, lists, stacks, and queues.
   • Explore algorithms for sorting and searching.
   • Understand how to optimize your code for efficiency.

4. Software Engineering Fundamentals

   • Gain insights into the software development lifecycle.
   • Learn about version control systems like Git.
   • Understand the importance of testing and debugging.

5. Practical Projects

   • Apply your knowledge through hands-on projects.
   • Build real-world applications that solidify your understanding of Java and software engineering principles.

What Makes This Course Unique?

• Expert Instructors: The course is taught by experienced instructors from top universities and industry experts. Their guidance ensures you receive high-quality education.
• Flexible Learning: Coursera offers a flexible learning schedule, allowing you to learn at your own pace. This is ideal for balancing your studies with other commitments.
• Interactive Learning Experience: The course includes quizzes, assignments, and projects that provide an interactive and engaging learning experience.
• Certification: Upon completion, you'll receive a certificate that you can share with potential employers, showcasing your skills and dedication.

Who Should Enroll?

• Beginners: If you're new to programming, this course will help you build a solid foundation in Java.
• Aspiring Developers: Those looking to start a career in software development will find this course invaluable.
• Professionals: If you're already working in the tech industry and want to enhance your skills or transition to a Java-centric role, this course is perfect for you.

Final Thoughts

The "Java Programming and Software Engineering Fundamentals" course on Coursera is an excellent opportunity to gain a deep understanding of Java and software engineering. With its comprehensive curriculum, expert instructors, and flexible learning options, this course is a valuable resource for anyone looking to advance their programming skills.

Ready to embark on your Java programming journey? Enroll today and take the first step towards becoming a proficient Java developer!

Enroll Now

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Programming with JavaScript

 

What you'll learn

Creating simple JavaScript codes.

Creating and manipulating objects and arrays.

Writing unit tests using Jest 

Join Free:Programming with JavaScript

There are 5 modules in this course

JavaScript is the programming language that powers the modern web. In this course, you will learn the basic concepts of web development with JavaScript. You will work with functions, objects, arrays, variables, data types, the HTML DOM, and much more. You will learn how to use JavaScript and discover interactive possibilities with modern JavaScript technologies. Finally, you will learn about the practice of testing code and how to write a unit test using Jest.

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Introduction to Web Development with HTML, CSS, JavaScript

 

What you'll learn

Describe the Web Application Development Ecosystem and terminology like front-end developer, back-end, server-side, and full stack.

Identify the developer tools and integrated development environments (IDEs) used by web developers. 

Create and structure basic web pages using HTML and style them with CSS. 

Develop dynamic web pages with interactive features using JavaScript.

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There are 5 modules in this course

Want to take the first steps to become a Web Developer? This course will help you discover the languages, frameworks, and tools that you will need to create interactive and engaging websites right from the beginning.  

You will begin by learning about the roles of front-end, back-end, and full-stack developers and how they work together on development projects. Through this, you will also become familiar with the terminology and skills needed in your career as a web developer.  

Next, you will explore the languages needed for developing websites or applications. You will gain a thorough understanding of HTML and CSS and learn how a combination of both technologies can help developers create the structure and style of their websites.  

Finally, you will learn how JavaScript can make your webpages dynamic with features that include interactive forms, dynamic content modification, and sophisticated menu systems. 

By learning the fundamentals of HTML5, CSS, and JavaScript you will be able to combine them to:  

- create the basic structure of a website  

- create format and layout for web applications 

- enhance your website and create rich, interactive applications 

- increase user interactivity and enhance user experience 

- give your website a real wow factor! 

In this course you will practice what you learn with numerous hands-on labs. Lastly, you will complete a final project where you will create a webpage to showcase your skills and have a great addition to your portfolio!

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Build a Website using an API with HTML, JavaScript, and JSON (Free Course)

 

Objectives

Provide ability for website users to look up 7 day weather forecasts for major European cities
Keep website visitors on the website longer
Increase online bookings

About this Project

In this project, you’ll support a European travel agency’s effort to increase booking by building a webpage that provides visitors with a 7-day weather forecast for major European cities. 

Accomplishing this task will require you to retrieve real-time weather data from an external service. In creating the webpage, you’ll request, process, and present the weather data using HTML, JavaScript, and JSON. 

There isn’t just one right approach or solution in this scenario, which means you can create a truly unique project that helps you stand out to employers.

ROLE: Software Developer

SKILLS: Web Design, Web Development, Cloud API

PREREQUISITES: 

Function closures, asynchronous processing, REST API, and JSON handling with JavaScript

Present content with HTML tags 

Present content using classes with CSS

Format and syntax of JSON

JOIN Free - Build a Website using an API with HTML, JavaScript, and JSON

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Java Oops Concept

Java Oops Concept:

1.       Objects

2.       Class

3.       Inheritance

4.       Polymorphism

5.       Abstraction

6.       Encapsulation

Object :

Any entity that has state and behaviour is known as an Object.

An object can be defined as an instance of a class.

Example :

Object = {property 1: value1, property 2: value 2……property n: value n}

Class :

• Collection of object is called class.
• It is a logical entity
• Class doesn’t consume any space.
• A class can also be defined as a blueprint from which you can create an individual object.

 

 

Inheritance :

When one object acquires all the properties and behaviours of a parent object, it is known as inheritance.

It provides code reusability.

It is a used to achieve runtime polymorphism.

 

Polymorphism :

If one task is performed in different way, it is known as polymorphism.

In java we use method overloading and method overriding.

 

Abstraction :

Hinding internal details and showing functionality is known as abstraction.

 

Encapsulation :

Binding or wrapping code and data together into a single unit are known as encapsulation.

Naming Convention :

1.     Class

    . It should start with the uppercase letter.

  It should be a noun such as Color, Button, System, Thread, etc.
Use appropriate words, instead of acronyms.

Example :

Public class Employee {

//code snippet

}

 

2.     Interface

It should start with the uppercase letter.

It should be an adjective such as Runnable, Remote, ActionListener.

Use appropriate words, instead of acronyms.

 

Example :

 

Interface Printable

{

//code snippet

}

3.     Method

It should start with lowercase letter.
It should be a verb such as main(), print(), println().
If the name contains multiple words, start it with a lowercase letter followed by an uppercase letter such as actionPerformed().

Example :

Class Employee

{

//method

Void get( )

{

//code snippet

}

}

4.     Variables

It should start with a lowercase letter such as id, name.

It should not start with the special characters like & (ampersand), $ (dollar), _ (underscore).

If the name contains multiple words, start it with the lowercase letter followed by an uppercase letter such as firstName, lastName.

Avoid using one-character variables such as x, y, z.

Example :

Class Employee

{

// variables

Int id;

Char name;

}

5.     Package

It should be a lowercase letter such as java, lang.
If the name contains multiple words, it should be separated by dots (.) such as java.util, java.lang.

Example :

Package com.abc.xyz;

Class employee

{

//code

}

 

6.     Constant

It should be in uppercase letters such as RED, YELLOW.

If the name contains multiple words, it should be separated by an underscore(_) such as MAX_PRIORITY.

It may contain digits but not as the first letter.

Example :

Class Employee

{

//constant

Static final int MIN_Age = 18;

//code

}

Object and class Example:

Public class Student {

Int id ;

String name;

Public static void main (String[] args)

{

Student s1 = new Student();

System.out.println(s1.id);

System.out.println(s1.name);

}

}

Syntax of class :

Class <class_name>{

Field;

Method;

}

 

Class Student {

Int rollno;

String name;

Void insertRecord(int r, String n)

{

Rollno = r;

Name = n;

}

Void display()

{

System.out.println(rollno+ “ “ +name);

}

Class StudentTest {

Public static void main (String[] args)

{

Student s1 = new student();

Student s2 = new Student();

S1.insertRecord(101, “Ram”);

S2.insertRecord(102, “Sita”);

S1.display();

S2.display();

}

}

 

Class Student {

Int id;

String name;

}

Class StudentTest {

Public static void main (String arg[])

{

Student s1 = new Student();

Student s2 = new student();

S1.id = 101;

S1.name = “Ram”;

S2.id = 102;

S2.name = “Sita”;

System.out.println(s1.id+ “ “ s1.name);

System.out.println(s2.id+ “ “ s2.name);

}

}

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