The writer() method of Console class in Java is used to retrieves the unique PrintWriter object which is associated with the console.
Syntax:
public PrintWriter writer()
Parameters: This method does not accept any parameter.
Return value: This method returns the PrintWriter which is associated with the console.
Exceptions: This method does not any throw exception.
Note: System.console() returns null in an online IDE.
Below programs illustrate writer() method in Console class in IO package:
Program 1:
// Java program to illustrate// Console writer() method import java.io.*; public class GFG { public static void main(String[] args) { // Create the console object Console cnsl = System.console(); if (cnsl == null) { System.out.println( "No console available"); return; } // Create PrintWriter PrintWriter pw = cnsl.writer(); System.out.println( "PrintWriter is created and returned"); }} |
Output:
Program 2:
// Java program to illustrate// Console writer() method import java.io.*; public class GFG { public static void main(String[] args) { // Create the console object Console cnsl = System.console(); if (cnsl == null) { System.out.println( "No console available"); return; } // Create PrintWriter PrintWriter pw = cnsl.writer(); System.out.println( "PrintWriter is created and returned"); }} |
Output:
References:
https://docs.oracle.com/javase/10/docs/api/java/io/Console.html#writer()