PrintWriter Class in IO Management

PrintWriter class is one java.io.* package’s class. Using of this class we can reduce our code.

PrintWriter pw = new PrintWriter(System.out,true);

This is statement of creation an object of PrintWriter Class. In the parameter we found System.out and true values.

System.out and true indicate that we can use pw object instead of System.out.

Example:

System.out.println(“Welcome in Portal Isssearch”);

We can write this line like

pw.println(“Welcome in Portal Isssearch”);

 

Note:  PrintWriter class works only on println() method and does not work on print()

Example on PrintWriter class with Videos

import java.io.*;

class io4

{

                public static void main(String args[]) throws IOException

                {

                                PrintWriter pw = new PrintWriter(System.out,true);

 

                                pw.println(“Welcome in Java IO1”);        

                                pw.println(“Welcome in Java IO2”);        

                                pw.println(“Welcome in Java IO3”);        

                                //System.out.println(“Welcome in Java IO”);     

// If you want to use println() method that time you have just use pw object insted of System.out

                }

}

Output:

Welcome in Java IO1

Welcome in Java IO2

Welcome in Java IO3

 

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mayank

Hello, I am Maddy a Java blogger, trainer and developer

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