COLLECTIONS FRAMEWORK

import java.util.*;

public class Main {
    public static void main(String[] args) {
        // List
        List<String> list = new ArrayList<>();
        list.add("Apple");
        list.add("Banana");
        
        // Map
        Map<String, Integer> map = new HashMap<>();
        map.put("Alice", 25);
        map.put("Bob", 30);
        
        for (Map.Entry<String, Integer> entry : map.entrySet()) {
            System.out.println(entry.getKey() + " is " + entry.getValue());
        }
    }
}