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How to sort HashMap in Java by Keys and Values

By Chaitanya Singh

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]

Posted Under: java | Tags: Collections, Java-HashMap

How to synchronize HashMap in Java with example

By Chaitanya Singh

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]

Posted Under: java | Tags: Collections, Java-HashMap

Difference between ArrayList and HashMap in Java

By Chaitanya Singh

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]

Posted Under: java | Tags: Collections, Java-ArrayList, Java-HashMap

HashMap in Java With Examples

By Chaitanya Singh

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]

Posted Under: java | Tags: Collections, Java-HashMap

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