As we know that HashMap doesn’t preserve any order by default. If there is a need we need to sort it explicitly based on the… [Read More]
How to synchronize HashMap in Java with example
HashMap is a non-synchronized collection class. If we need to perform thread-safe operations on it then we must need to synchronize it explicitly. In this… [Read More]
Difference between ArrayList and HashMap in Java
ArrayList and HashMap are two commonly used collection classes in Java. Even though both are the part of collection framework, the way they store and… [Read More]
HashMap in Java With Examples
HashMap is a Map based collection class that is used for storing Key & value pairs, it is denoted as HashMap<Key, Value> or HashMap<K, V>…. [Read More]