Java System console() Method

The console() method of Java System class returns Console object only if any Console objected is associated with the java virtual machine.

Syntax

Returns

The Console object of current java virtual machine.
Null if Console object is not associated with current java virtual machine.

Example 1

import java.io.Console;
public class SystemConsoleExample1 {
	public static void main(String[] args) {	
		Console c=System.console();
		if (c == null) {
		    System.out.println("Console is not supported");
		    }
		else
		{
			System.out.print("Console is supported");
		}
}
}

Test it Now

Output:

Console is not supported

Example 2

import java.io.Console;
public class SystemConsoleExample2 {
	public static void main(String[] args) {
		Console c=System.console();
		if(c==null) //if console is null
		{
			System.out.println("Console is null");
		}
		else //if console is not null
		{
			String a=c.readLine("%s", "type something"); 
			System.out.println("you typed"+a);
		}
}
}

Test it Now

Output:

Console is null

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