GuessNumber.java

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

public class GuessNumber{
    // instance variables
    int numberToGuess;
    int counts=0;
    int maxNumber=9;
    int minNumber=1;
    // constructor
    public GuessNumber(){
        Random random = new Random();
        numberToGuess=random.nextInt(maxNumber)+minNumber;
    }
    // compare method
    public void compare(int guess){
     counts++;
        if(guess<numberToGuess){
            System.out.println("Too small! Try again.");
        }else if(guess>numberToGuess){
            System.out.println("Too big! Try again.");
        }else{
            System.out.println("Congratulations! You've guessed the number "+numberToGuess+" in "+counts+" tries.");
        }
    }
    // play method
    public void play(){
        Scanner scanner = new Scanner(System.in);
        int guess=-1;
        while(guess!=numberToGuess){
            System.out.print("Enter your guess ("+minNumber+"-"+maxNumber+"): ");
            guess=scanner.nextInt();
            counts++;
            compare(guess);
        }
        scanner.close();
    }
    // main method
    public static void main(String[] args){
        GuessNumber game1 = new GuessNumber();
        game1.play();
    }
}