Two simple Java programs. Full article at http://www.firsttimeprogrammer.blogspot.com/2015/03/two-simple-java-programs.html

guessnumber.java

import java.util.Scanner;
import java.util.Random;

public class GuessNumberMain 
{
	public static void main(String[] args) 
	{
		System.out.println("Guess the number beween 0 and 99");
		Scanner reader = new Scanner(System.in);
		int number = reader.nextInt();
		Random randomGenerator = new Random();
		int toGuess = randomGenerator.nextInt(100);
		
		while(number != toGuess)
		{
			if(number < toGuess)
			{
				System.out.println("Higher");
			}else if(number > toGuess)
			{
				System.out.println("Lower");
			}
			
			System.out.println("Try again!");
			number = reader.nextInt();
		}
		
		System.out.println("Congrats! You guessed it! It was: "+number);
		reader.close();
	}
}

nice :D