One of the famous interview question in JavaScript : how to validate email address in JavaScript. In order to validate a text field of HTML we need a... read more ?

Employees.xml: Employee.java package javaXMLParsing; public class Employee {          String id;       String firstName;       String lastName;       String location;             @Override... read more ?

In Java, "Collection" refers to the interface that defines the basic properties and behaviors of a collection, while "Collections" is a utility class that provides static methods for... read more ?

To find missing numbers in an array first we need to make sure that array is sorted. After sorting we need to check that array each element with... read more ?

Polymorphism means defining multiple methods with same name. (adsbygoogle = window.adsbygoogle || []).push({}); Two types of polymorphism 1.Static polymorphism2.Dynamic polymorphism. Static polymorphism: Defining multiple methods with same name... read more ?

toString() method belongs to object class. By default it will be called once  whenever we try to print object. toString() method by default will print classname@hex representation of... read more ?