Java Discover: HashMap

Java Discover is a Java technical blog mainly created for sharing our thoughts and programming question to the world of Java Programmers..

Showing posts with label HashMap. Show all posts

Showing posts with label HashMap. Show all posts

Difference between Hashtable, HashMap, TreeMap and LinkedHashMap

Map is one of the most important data structures and when we talk about Map all these 4 implementation classes (Hashtable, HashMap, Tree...

Case Insensitive HashMap

This is one of the programming interview questions which asked in recent interview. Need to implement HashMap which will take case ins...

Difference between HashMap and HashTable in Java

Map is one of the important Interface in Java Collections and Maps contains key and value which always stores unique keys and values. Bo...

How to convert HashMap to Synchronized Map ?

In this tutorial we will see about how to convert HashMap to synchronized Map. As we know already that HashMap is not synchronized by defa...

Using keySet(), entrySet() and values() methods in HashMap

Today we will see about using keySet(), value() and entrySet() methods in HashMap. Basically all these methods will be used to get the lis...

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