Activity 3.23

Source Code

import java.util.*;

public class Activity3_23 {
    public static void main(String[] args) {
        System.out.println("Activity 3.23");
        // Menu
        System.out.println("Menu");
        System.out.println("E1 - Example 1");

        // setup Scanner
        Scanner in = new Scanner(System.in);
        System.out.print("Choice: ");
        String choice = in.nextLine();

        // switch choices
        switch(choice) {
            // Example 1 case
            case "E1":
                example1();
                break;
            case "E2":
                example2();
                break;
            // default case
            default:
                System.out.println("Invalid choice");
                break;
        }
    }
    // example1 method definition
    public static void example1() {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter your age: ");
        int age = in.nextInt();
        in.nextLine();
        if (age >= 5) {
            System.out.print("Enter your grade (1 to 12): ");
            int grade = in.nextLine();
            in.nextLine();
            if (grade >= 9) {
                System.out.println("You are in high school.");
            } else {
                System.out.println("You are in elementary or middle school.");
            }
        } else {
            System.out.println("You are too young for school.");
        }
    }

    // example2 method definition
    public static void example2() {

    }
}

A323Problem1.java

import java.util.*;

public class A323Problem1 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.println("Problem 1");



    }
}

A323Problem2java

import java.util.*;

public class A323Problem2 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.println("Problem 2");



    }
}