GuessNumberGame.java

import java.util.Scanner;

public class GuessNumberGame {

    public static void main(String[] args) {

        int randomNumber = (int)(Math.random() * 100) + 1;
        boolean hasWon = false;

        System.out.println("I have randomly chosen a number between 1 and 100.");
        System.out.println("Try to guess it.");

        Scanner scanner = new Scanner(System.in);

        for(int i=10; i>0; i--){
            System.out.println("You have " + i + " guess(es) left. Choose: ");
            int guess = scanner.nextInt();
            if(randomNumber < guess){
                System.out.println("It's smaller than " + guess + ".");
            } else if (randomNumber > guess) {
                System.out.println("It's greater than " + guess + ".");
            } else {
                hasWon = true;
                break;
            }
        }

        if(hasWon){
            System.out.println("Correct! You win in !");
        } else {
            System.out.println("Game over! You lose...");
            System.out.println("The number was: " + randomNumber);
        }
    }
}