Input Stream to String Example

• /*
          Java InputStream to String Example
      This Java InputStream to String example shows how to convert InputStream to String in Java.
   */
  public class ConvertInputStreamToStringExample  
  {
  
  
          public static void main(String args[]) throws IOException{
  
  
                  //get InputStream of a file
                  InputStream is = new FileInputStream(“c:/data.txt”);
                  String strContent;
  
  
                  /*
                   * There are several way to convert InputStream to String. First is using
                   * BufferedReader as given below.
                   */
  
  
                  //Create BufferedReader object
                  BufferedReader bReader = new BufferedReader(new InputStreamReader(is));
                  StringBuffer sbfFileContents = new StringBuffer();
                  String line = null;
  
  
                  //read file line by line
                  while( (line = bReader.readLine()) != null) 
  {
                          sbfFileContents.append(line);
                  }
  
  
                  //finally convert StringBuffer object to String!
                  strContent = sbfFileContents.toString();
  
  
                  /*
                   * Second and one liner approach is to use Scanner class. This is only supported
                   * in Java 1.5 and higher version.
                   */
  
  
                  strContent = new Scanner(is).useDelimiter(“\\A”).next();
          }
  }