In Java, a dictionary is a data structure that stores key-value pairs. The Java API provides the Dictionary class to implement a dictionary. The Dictionary class is an abstract class…
In Java, a HashMap is a popular implementation of the Map interface that allows us to store and retrieve key-value pairs. However, in multi-threaded applications, accessing a HashMap concurrently can…
In Java, a HashMap is a popular implementation of the Map interface that allows us to store and retrieve key-value pairs. However, in some situations, we might need to use…
A LinkedHashMap in Java is a specialized implementation of the Map interface that maintains a linked list of the entries in the map, in the order in which they were…
A WeakHashMap in Java is a special implementation of the Map interface that provides a way to store key-value pairs in a way that allows the keys to be garbage-collected…
HashMap is one of the most frequently used collections in Java. It provides an efficient way to store and retrieve data in a key-value format. In this article, we will…
A HashMap in Java is a collection that stores data in key-value pairs. It is one of the most commonly used data structures in Java, and it provides an efficient…
Java 17, also known as JDK 17, is the latest release of the Java Development Kit, and was released on September 14, 2021. It is a long-term support (LTS) release,…
Java 11, also known as JDK 11, was released on September 25th, 2018 as a long-term support (LTS) release of the Java Development Kit. It was the first LTS release…
In Java, EnumMap is a specialized implementation of the Map interface that is designed for use with enum keys. It provides a high-performance and type-safe implementation of a map that…