EnterPIN

Code

import java.util.Scanner;

public class EnterPIN
{
	public static void main( String[] args )
	{
		Scanner keyboard = new Scanner(System.in);
		int pin = 12345;

		System.out.println("WELCOME TO THE BANK OF JOSHUA.");
		System.out.print("ENTER YOUR PIN: ");
		int entry = keyboard.nextInt();

		while ( entry != pin )
		{
			System.out.println("\nINCORRECT PIN. TRY AGAIN.");
			System.out.print("ENTER YOUR PIN: ");
			entry = keyboard.nextInt();
		}

		System.out.println("\nPIN ACCEPTED. YOU NOW HAVE ACCESS TO YOUR ACCOUNT.");
        
        {
            System.out.println( " while and if function in the same way " );
            System.out.println( " while repeats if the entry was wrong " );
            System.out.println( " It isn't needed" );
            System.out.println( " It causes an error and it loops forever " );
        }
	}
}

EnterPIN