RoshanAdhikaryA tech blog that covers a wide spectrum of topics, ranging from programming in Java and Python to building projects using Spring Boot and Node.js

What is HashMap in Java? Java's HashMap class is a Hash Table implementation of Map interface. It stores data in key-valu…

Android is widely used as the operating system in as many as 2.3 billion smartphones as of 2018 . Because of the sheer number o…