Print stream and system setout()；

import java.io.*;

public class Test1 {
    public static void main(String[] args) throws Exception {
       // Print stream 
        PrintStream pa=new PrintStream("");
        pa.print(" This is a print stream , Here you can print any type of data ");
        PrintWriter pw=new PrintWriter("");
        pw.print(" This is a print stream , Here you can print any type of data ");
        // There is no difference in the printing function between the above two streams 
        
        System.setOut(pa);
        System.out.println(" The content will be directly printed into the corresponding file after the change in the previous line ");


    }