Rava2 - Java Source Interpreter

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;

public class Main {
    public static void main(String[] args) {
        System.out.println("=== ArrayList ===");
        ArrayList list = new ArrayList();
        list.add("Apple");
        list.add("Banana");
        list.add("Cherry");
        list.add("Banana");

System.out.println("Size: " + list.size());
        System.out.println("Contains Banana: " + list.contains("Banana"));

for (var item : list) {
            System.out.println("  " + item);
        }

System.out.println("\n=== HashMap ===");
        HashMap ages = new HashMap();
        ages.put("Alice", 30);
        ages.put("Bob", 25);
        ages.put("Charlie", 35);

System.out.println("Alice's age: " + ages.get("Alice"));
        System.out.println("Contains Bob: " + ages.containsKey("Bob"));
        System.out.println("Size: " + ages.size());

System.out.println("\n=== HashSet ===");
        HashSet uniqueItems = new HashSet();
        uniqueItems.add("One");
        uniqueItems.add("Two");
        uniqueItems.add("Three");
        uniqueItems.add("Two");

System.out.println("Size (no duplicates): " + uniqueItems.size());
        System.out.println("Contains Two: " + uniqueItems.contains("Two"));

for (var item : uniqueItems) {
            System.out.println("  " + item);
        }
    }
}

ready