Java Collection Framework basics

References:

• https://docs.oracle.com/javase/tutorial/collections/index.html
• https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/doc-files/coll-index.html
• https://en.wikipedia.org/wiki/Java_collections_framework
• https://www.javatpoint.com/collections-in-java
• https://techvidvan.com/tutorials/java-collection-framework/
• https://www.geeksforgeeks.org/how-to-learn-java-collections-a-complete-guide/
• https://www.tutorialspoint.com/java/java_collections.htm
• https://www.programiz.com/java-programming/collections