Hi, I just started with java and i need help with my school project, this is it so far:

import java.util.*;

public class ProjectCS {

public static void main(String[] args) {

    welcome();
    menu();
}
public static void welcome()
    {
    System.out.println("+------------------+");
    System.out.println("¦_-¯-_Welcome!_-¯-_¦");
    System.out.println("¦¯-_-¯Welcome!¯-_-¯¦");
    System.out.println("+------------------+");
    try
    {
    Thread.sleep(2500);
    }
    catch(InterruptedException e)
    {
    System.out.println(e.getStackTrace());
    }

    } //end of class welcome

public static void menu() {
    int choice;

    do{
    System.out.println("\t...Menu...");
    System.out.println("1. Math Quiz");
    System.out.println("2. Computer Quiz");
    System.out.println("3. English Quiz");
    System.out.println("4. Random Quiz");
    System.out.println("5. Exit");
    System.out.print("Choice: ");
    choice = Keyboard.readInt();
    System.out.print("--------------------");

    switch (choice) {
        case 1: mtdmathquiz();
                break;
        case 2: mtdcompquiz();
                break;
        case 3: mtdengquiz();
                break;
        case 4: mtdranquiz();
                break;
    } //end of switch

    }while (choice < 5);
    System.out.println("--------------------");
    System.out.println("\t\t\tExit Was Chosen!");

    try
    {
    Thread.sleep(1000);
    }
    catch(InterruptedException e)
    {
    System.out.println(e.getStackTrace());
    }
    System.out.println("\t\t\t\tGoodbye!\n");
    try
    {
    Thread.sleep(1500);
    }
    catch(InterruptedException e)
    {
    System.out.println(e.getStackTrace());
    }
    System.out.println("\t\t+------------------------+");
    System.out.println("\t\t¦ Name : Darren Aquilina ¦");
    System.out.println("\t\t¦ Class: 4.2 Option: 2   ¦");
    System.out.println("\t\t+------------------------+");

} //end of class menu

public static void mtdmathquiz() {
System.out.println("\nMath Quiz was chosen.");
    int mathans1, mathans2, mathans3, mathans4;
    int mathcount = 0;

    System.out.println("1. What is 123 × 23");
    System.out.println("1: 1968");
    System.out.println("2: 2460");
    System.out.println("3: 2829");
    System.out.println("4: 3075");
    System.out.print("Answer(1-4): ");
    mathans1 = Keyboard.readInt();

    if(mathans1 == 3){
        System.out.println("Correct!");
        mathcount = mathcount + 1;
    }else{
        System.out.println("Wrong!");
    }

    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + mathcount);
    System.out.println("--------------------");

    System.out.println("2. What is 510 × 7");
    System.out.println("1: 4080");
    System.out.println("2: 3570");
    System.out.println("3: 3640");
    System.out.println("4: 2550");
    System.out.print("Answer(1-4): ");
    mathans2 = Keyboard.readInt();

    if(mathans2 == 2){
        System.out.println("Correct!");
        mathcount = mathcount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + mathcount);
    System.out.println("--------------------");

    System.out.println("3. What is The Square Root of 1521?");
    System.out.println("1: 31");
    System.out.println("2: 33");
    System.out.println("3: 37");
    System.out.println("4: 39");
    System.out.print("Answer(1-4): ");
    mathans3 = Keyboard.readInt();

    if(mathans3 == 4){
        System.out.println("Correct!");
        mathcount = mathcount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + mathcount);
    System.out.println("--------------------");

    System.out.println("4. What is 843 ÷ 6?");
    System.out.println("1: 140.5");
    System.out.println("2: 150.5");
    System.out.println("3: 123");
    System.out.println("4: 348");
    System.out.print("Answer(1-4): ");
    mathans4 = Keyboard.readInt();

    if(mathans4 == 1){
        System.out.println("Correct!");
        mathcount = mathcount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.print("Your Final Score is: " + mathcount);
    System.out.println("/4");

    if(mathcount >= 2)
            {
            System.out.println("You Passed!");
            }else
            {
            System.out.println("You Failed!");
            }

    System.out.println("--------------------");
}

public static void mtdcompquiz() {
    System.out.println("Computer Quiz was chosen.");
    int compans1, compans2, compans3, compans4;
    int compcount = 0;

    System.out.println("1. Which is the correct Decimal of 01110011?");
    System.out.println("1: 117");
    System.out.println("2: 115");
    System.out.println("3: 120");
    System.out.println("4: 111");
    System.out.print("Answer(1-4): ");
    compans1 = Keyboard.readInt();

    if(compans1 == 2){
        System.out.println("Correct!");
        compcount = compcount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + compcount);
    System.out.println("--------------------");

    System.out.println("2.From The Question above, What is the ASCII code of the correct answer?");
    System.out.println("1: s");
    System.out.println("2: u");
    System.out.println("3: x");
    System.out.println("4: o");
    System.out.print("Answer(1-4): ");
    compans2 = Keyboard.readInt();

    if(compans2 == 1){
        System.out.println("Correct!");
        compcount = compcount + 1;;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + compcount);
    System.out.println("--------------------");

    System.out.println("3. What does RAM stand for?");
    System.out.println("1: Read Access Memory");
    System.out.println("2: Random Available Memory");
    System.out.println("3: Random Access Memory");
    System.out.println("4: Read After Morning");
    System.out.print("Answer(1-4): ");
    compans3 = Keyboard.readInt();

    if(compans3 == 3){
        System.out.println("Correct!");
        compcount = compcount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + compcount);
    System.out.println("--------------------");

    System.out.println("4. What Does GUI stand for?");
    System.out.println("1: Grand User Interface");
    System.out.println("2: Great User International");
    System.out.println("3: Genius User International");
    System.out.println("4: Graphic User Interface");
    System.out.print("Answer(1-4): ");
    compans4 = Keyboard.readInt();

    if(compans4 == 4){
        System.out.println("Correct!");
        compcount = compcount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.print("Your Final Score is: " + compcount);
    System.out.println("/4");
                if(compcount >= 2)
                {
                System.out.println("You Passed!");
                }else
                {
                System.out.println("You Failed!");
                }

    System.out.println("--------------------");


}

public static void mtdengquiz() {
    System.out.println("English Quiz was chosen.");
    int engans1, engans2, engans3, engans4;
    int engcount = 0;

    System.out.println("1. What is the past tense of GO?");
    System.out.println("1: GOED");
    System.out.println("2: GO");
    System.out.println("3: WILL GO");
    System.out.println("4: WENT");
    System.out.print("Answer(1-4): ");
    engans1 = Keyboard.readInt();

    if(engans1 == 4){
        System.out.println("Correct!");
        engcount = engcount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + engcount);
    System.out.println("--------------------");

    System.out.println("2. Who wrote 'The Merchant of Venice'?");
    System.out.println("1: William Shakespear");
    System.out.println("2: Albert Einstein");
    System.out.println("3: Roald Dahl");
    System.out.println("4: Barry Hines");
    System.out.print("Answer(1-4): ");
    engans2 = Keyboard.readInt();

    if(engans2 == 1){
        System.out.println("Correct!");
        engcount = engcount + 1;;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + engcount);
    System.out.println("--------------------");

    System.out.println("3. What is Personification?");
    System.out.println("1: 'The Person Sneezed'");
    System.out.println("2: 'The Tree Cried'");
    System.out.println("3: 'The Dog Barked'");
    System.out.println("4: 'The Fish Died'");
    System.out.print("Answer(1-4): ");
    engans3 = Keyboard.readInt();

    if(engans3 == 2){
        System.out.println("Correct!");
        engcount = engcount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + engcount);
    System.out.println("--------------------");

    System.out.println("4. What is Sarcasm");
    System.out.println("1: When a person says the Truth.");
    System.out.println("2: When a person says a Lie.");
    System.out.println("3: When a person says something but is really the Opposite of it.");
    System.out.println("4: When a person says something which is Confusing.");
    System.out.print("Answer(1-4): ");
    engans4 = Keyboard.readInt();

    if(engans4 == 3){
        System.out.println("Correct!");
        engcount = engcount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.print("Your Final Score is: " + engcount);
    System.out.println("/4");
                if(engcount >= 2)
                {
                System.out.println("You Passed!");
                }else
                {
                System.out.println("You Failed!");
                }

    System.out.println("--------------------");


}

public static void mtdranquiz() {
    System.out.println("Random Quiz was chosen.");
    int ranans1, ranans2, ranans3, ranans4;
    int rancount = 0;

    System.out.println("1. What does 'Gws' Stand for?");
    System.out.println("1: Goal well saved");
    System.out.println("2: Good word said");
    System.out.println("3: Get well soon");
    System.out.println("4: Great world saver");
    System.out.print("Answer(1-4): ");
    ranans1 = Keyboard.readInt();

    if(ranans1 == 3){
        System.out.println("Correct!");
        rancount = rancount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + rancount);
    System.out.println("--------------------");

    System.out.println("2. Which of these is not an online multiplayer game?");
    System.out.println("1: World of Warcraft");
    System.out.println("2: Gravity Man");
    System.out.println("3: Minecraft");
    System.out.println("4: Runescape");
    System.out.print("Answer(1-4): ");
    ranans2 = Keyboard.readInt();

    if(ranans2 == 2){
        System.out.println("Correct!");
        rancount = rancount + 1;;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + rancount);
    System.out.println("--------------------");

    System.out.println("3. What are mouse keys?");
    System.out.println("1: The pendrive used when connecting a wireless mouse");
    System.out.println("2: A type of keylogger");
    System.out.println("3: A method to control your keyboard with your mouse");
    System.out.println("4: A method to control your mouse with your keyboard");
    System.out.print("Answer(1-4): ");
    ranans3 = Keyboard.readInt();

    if(ranans3 == 4){
        System.out.println("Correct!");
        rancount = rancount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.println("Your Current Score is: " + rancount);
    System.out.println("--------------------");

    System.out.println("4. What is a Graphics Card?");
    System.out.println("1: A card for you to insert in your computer so you can see and have better Graphics");
    System.out.println("2: An access card in a place where people do Graphical Communication");
    System.out.println("3: A Gift Card for a Game called 'Graphics'");
    System.out.println("4: None of the above");
    System.out.print("Answer(1-4): ");
    ranans4 = Keyboard.readInt();

    if(ranans4 == 1){
        System.out.println("Correct!");
        rancount = rancount + 1;
    }else{
        System.out.println("Wrong!");
    }
    System.out.println("--------------------");
    System.out.print("Your Final Score is: " + rancount);
    System.out.println("/4");
                if(rancount >= 2)
                {
                System.out.println("You Passed!");
                }else
                {
                System.out.println("You Failed!");
                }

    System.out.println("--------------------");


}

}

and i would like to get the some integers from the mtdmathquiz(); , mtdcompquiz(); , mtdengquiz(); , mtdranquiz(); to menu();. The integers/variables that i want to be able to use are: mathcount, compcount, engcount and rancount. PLEASE HELP!