HashMap Basics in Java: Explanation & Practice

Problem summary

Create a HashMap to store student names and their scores.

Starter code

import java.util.*;

public class Main {
    public static void main(String[] args) {
        // Create HashMap<String, Integer>
        // Add: Alice=95, Bob=87, Carol=92
        // Print Bob's score
    }
}

Expected output and test cases

• Get value by key

  Bob's score: 87

Hints

1. HashMap<K, V> for key-value storage
2. put(key, value) to add
3. get(key) to retrieve

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• Practice ArrayList Basics in Java
• Practice HashSet Basics in Java
• Practice List Iteration Methods in Java

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