Guessing Game Java Project

GuessingGame

/**
 * Random number generator that allows user three guesses as to which number 1-10 was generated.
 * 
 * Jake Landaiche (your name) 
 * 9/13/18 (a version number or a date)
 */

import java.util.*;

public class GuessingGame {

    public static void main(String[] args) {

        int maxNum = 10;
        int minNum = 1;
        boolean gameStarted = true;
        boolean guessState = false; //false means the number has not been guessed correctly, true means the game is over whether win or lose
        int guesses = 0;
        boolean validInput = false;
        Scanner sc = new Scanner(System.in);
        int guessNum = 0;
        int continueAnswer = 0;
        while(gameStarted == true){

            System.out.println("This is the one and only guessing game");
            System.out.println("Please guess a number between 1 and 10");

            int randomNum;
            randomNum = (int)(Math.random() * ((maxNum - minNum) + 1)) + minNum; //inclusive
            //System.out.println(randomNum);

            while(guessState == false){

                while(validInput == false)
                    try{
                        guessNum = sc.nextInt();
                        validInput = true;
                    }catch(Exception e){
                        System.out.println("You didn't enter a number: " + e);
                        guessState = true;
                        validInput = true;
                    }

                if(guessNum==randomNum){
                    System.out.println("You Guessed " + guessNum + "!");
                    System.out.println("You Win!!");
                    gameStarted = false;
                    guessState = true;
                    validInput = false;
                } else {
                    System.out.println("You Guessed " + guessNum + "!");
                    System.out.println("You Lose...");
                    guesses ++;
                    validInput = false;
                    if(guesses == 3){

                        gameStarted = false;
                        guessState = true;
                        validInput = false;
                    }

                }

            }

            if(guessState == true){

                System.out.println("Would You Like to Play Again? Press 1 to Continue, or Press 2 to Exit.");
                sc.nextLine();
                continueAnswer = sc.nextInt();

                if(continueAnswer == 1){
                    guessState = false;
                    gameStarted = true;
                    guesses = 0;
                    validInput = false;
                } else {
                    guessState = false;
                    gameStarted = false;

                }
            }
        }    
    }
}