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How to sort HashMap in Java by Keys and Values

By Chaitanya Singh | Filed Under: java

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

By Chaitanya Singh | Filed Under: java

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

By Chaitanya Singh | Filed Under: 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

By Chaitanya Singh | Filed Under: java

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]

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