In java, ‘this’ is a reference variable that refers to the current object. It can be used to call current class methods and fields to pass an instance of the current class as a parameter, and to differentiate between the local and instance variables. Using ‘this’ reference can also improve code readability and reduce naming …
In java, the term collection refers to a framework that provide an architecture to store and manipulate a group of objects. These collections can be used to store, retrieve, manipulate and communicate aggregate data. The collection framework is part of the ‘java. util’ package and is a unified architecture for representing and manipulating collections. There …
Classes are present in java .lang package: object class, string class, string buffer class , string builder class, wrapper class for writing any java program the most commonly required classes and interfaces are encapsulated in seperate package which is nothing but java.lang package It is not required to import java.lang package in our program because …