I'm new to Java and I'm trying to recreate a simplified version of the Game of Mastermind. I managed to allow the player to input once but then it stops. I don't know how to fix this, I've tried everything I knew how to do to fix this but I was unable to. My verification checker also doesnt work
import java.util.*;
public class Main{
public static void printRed(String a)
String red = "\033[31m";
System.out.print(red + a);
public static void rules()
String reset = "\u001B[0m";
System.out.println("");
System.out.println("The Mastermind Game");
System.out.println(" - How to Play - ");
System.out.println("* The goal is to guess the combo");
System.out.println("* The length and number's used are shown below ");
System.out.println("* After each guess two numbers will appear below it ");
System.out.print("* The ");
String a = "RED";
printRed(a);
System.out.println( reset + " represents the numbers that are correct and are in the correct position");
System.out.println("* The WHITE represents the numbers that are correct but are in the wrong spot");
System.out.println("");
System.out.println("Combo length: 4");
System.out.println("Numbers: 1-6");
System.out.println("Number of Guesses: 10");
System.out.println("");
System.out.println("Begin Guessing !! ");
public static void inputNumbers()
String combo = "";
int tries = 10;
boolean y = true;
while(true)
if (guess())
{
System.out.println("You guessed it !!");
break;
}
if(tries <= 0)
{
System.out.println("You're out of guesses");
System.out.println("The combo given was: " + combo);
break;
}
public static String checker()
Scanner num = new Scanner(System.in);
String input;
int input2;
int length = 4;
while(true)
{
input = num.nextLine();
if(input.length() != length)
{
System.out.println("Invalid Guess");
}
input2 = num.nextInt();
if(input2 < 1 || input2 < 6 )
{
System.out.println("Invalid Guess");
}
else
{
break;
}
}
return input;
public static String randomCombo()
String combo = "";
for(int i = 0; i < 4; i++)
combo += (int)(Math.random()*6)+1;
return combo;
public static boolean guess()
String combo = "guesses()";
String in = "guesses()";
int right = 0;
int numbers = 6;
int length = 4;
int tries = 10;
int plus = 0;
rules();
randomCombo();
int[] guessNumbers = new int[numbers];
int[] comboNumbers = new int[numbers];
combo = randomCombo();
if(in == combo){
for(int i = 0; i < length; i++)
{
if(in.charAt(i) == combo.charAt(i))
{
right++;
}
guessNumbers[in.charAt(i)]++;
comboNumbers[combo.charAt(i)]++;
}
for(int i = 0; i < numbers; i++)
{
while(comboNumbers[i] > 0 && guessNumbers[i] > 0)
{
plus++;
comboNumbers[i]--;
guessNumbers[i]--;
}
}
tries--;
return(right == length);
public static void main(String[] arg)
int right = 0;
int plus = 0;
guess();
checker();
{
String reset = "\u001B[0m";
System.out.print("\t");
String a = "" + right;
printRed(a);
System.out.println(" " + reset + "" + plus);
System.out.println("\n");
}
}
}
