Complete Java SE 8 Developer Bootcamp - Maps

The video tutorial provides an in-depth look at maps in Java, focusing on their role in the collections framework. It explains the unique characteristics of maps, such as key-value pairs, and the importance of unique keys. The tutorial covers the HashMap implementation, detailing how to create and manipulate entries using methods like put, get, and remove. It also introduces TreeMap, highlighting its ability to maintain order. The video emphasizes the use of polymorphism and the significance of synchronizing equals and hashCode methods.

What is the significance of not allowing duplicate keys in a map?

How does the containsKey method work in a Java map?

What is the difference between the keySet and values methods in a map?