java open source projects for beginners code example

Example: java beginner projects

package guessinggame;* Java game “Guess a Number” that allows user to guess a random number that has been generated.*/import javax.swing.*; public class GuessingGame {    public static void main(String[] args) {        int computerNumber = (int) (Math.random()*100 + 1);        int userAnswer = 0;        System.out.println("The correct guess would be " + computerNumber);        int count = 1;        while (userAnswer != computerNumber)        {            String response = JOptionPane.showInputDialog(null,                "Enter a guess between 1 and 100", "Guessing Game", 3);            userAnswer = Integer.parseInt(response);            JOptionPane.showMessageDialog(null, ""+ determineGuess(userAnswer, computerNumber, count));            count++;        }      }    public static String determineGuess(int userAnswer, int computerNumber, int count){        if (userAnswer <=0 || userAnswer >100) {            return "Your guess is invalid";        }        else if (userAnswer == computerNumber ){            return "Correct!\nTotal Guesses: " + count;        }        else if (userAnswer > computerNumber) {            return "Your guess is too high, try again.\nTry Number: " + count;        }        else if (userAnswer < computerNumber) {            return "Your guess is too low, try again.\nTry Number: " + count;        }        else {            return "Your guess is incorrect\nTry Number: " + count;        }    }}