Additional Notes
HashMap: Retrieving Values?
Track: Java
Topic: Collections
Focus: Map Interface and HashMap
Java: Map Interface and HashMap
Answer
The get() method retrieves the value for a given key.
In a HashMap, you use the get() method to retrieve the value associated with a specific key. If the key does not exist, it returns null. For example, fetching the details of a product from your catalog using its product ID.
In a HashMap, you use the get() method to retrieve the value associated with a specific key. If the key does not exist, it returns null. For example, fetching the details of a product from your catalog using its product ID.
Topics: Collections Java Map Interface and HashMap