Question

How to to write contents of InputStream to an OutputStream in Java

Answer 1

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.FileOutputStream;
import java.io.ByteArrayInputStream;
import java.nio.charset.StandardCharsets;

public class MyClass {
    public static void main(String args[]) throws IOException {
        String str = "Java object-oriented programming language";
        InputStream inputStream = new ByteArrayInputStream(str.getBytes());
        
        OutputStream outputStream = new FileOutputStream("data.txt");

        byte[] bytearray = new byte[str.length()];
        while ((inputStream.read(bytearray)) > 0) {
            outputStream.write(bytearray, 0, str.length());
        }

        String out =  new String(bytearray, StandardCharsets.UTF_8);
        System.out.println(out);
        
        inputStream.close();
        outputStream.close();
    }
}
 
  
  
  
/*
run:
  
Java object-oriented programming language
  
*/

 

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