Question

Java Guessing Game Class

The class will generate a random number of 1 to 15, and then check to see if the user guessed the number correctly. If the number is incorrect, the user should have the chance to guess again, until they guess the right number or they guess 10 times. The class method should keep track of the number of guesses the user has had, and return this value.  

The class should have one constructors, a default and a defined. The class should have a method to calculate the random number. It should also have a method to check the guess to see if it was correct. The guessing method should return a Boolean value to determine if the user keeps guessing.  

The program should check for valid input. It should print out either that the user’s guess was incorrect, printing out the value the user last guessed and how many guesses it took; or that the guess was correct, printing out how many guesses it took to get the correct answer.

Answer 1

code:

import java.util.ArrayList; //importing array list class

import java.util.Scanner;

import java.util.Random;

class Main {

public static int no_of_guesses;

public static int guess;

//default constructor to set the values initially

Main(){

no_of_guesses = 10;

}

//method to calculate and return random number

public static int generate_random(int max, int min){

Random r = new Random();

    //generating random number between max and min values

return r.nextInt((max - min) + 1) + min;

}

public static boolean is_guess_correct(int user_guess){

if(user_guess == guess){

return true;

}else{

return false;

}

}

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

//create object of game

Main game = new Main();

//generate a random number between 1 and 15

game.guess = generate_random(15, 1);

//user can guess untill he reaches max number of guesses

for(int i=0;i<game.no_of_guesses;i++){

//ask the user to guess

System.out.print("\n\nGuess the number : ");

int user_guess = sc.nextInt();

//check if user guesses correctly

if(is_guess_correct(user_guess)){

System.out.printf("\n\nEntered value %d is correct guess, it took %d guesses to make it right.",user_guess,i+1);

break;

}else{

System.out.printf("\n\nEntered value %d is incorrect guess, you have guessed %d times.",user_guess,i+1);

}

}

}

}