What is JSONPath? JSONPath is an expression language to parse JSON data. It’s very similar to the XPath expression language to parse XML data. The idea is to parse the JSON data and get the….

Polymorphism is one of the core concepts of OOPS paradigm. The meaning of polymorphism is the condition of occurring in several different forms. 1. What is Polymorphism? Polymorphism is the ability to perform different things….

The final keyword in Java can be used with variables, methods, and classes. Final Variables: When we mark a variable as final, we can’t reassign its value. Final Class: When a class is final, we….

Java keywords are the reserved words that are used by the Java compiler. These keywords have special meaning to the Java compiler. The reserved keywords help us in writing code and help the compiler in….

Encapsulation in Java is achieved by private variables and getter-setter methods. Encapsulation provides a loosely coupled, reusable, secure, and better access-controlled class implementation.

Java is an object-oriented programming language. Java was developed by James Gosling and colleagues at Sun Microsystems in the 1990s. History of Java Java was started as a project called “Oak” by James Gosling in….

Java 13 was released for production use on 17th September 2019. There are not a lot of developer-specific features in Java 13 because of the 6-month release cycle. Java 13 Features Some of the important….

Abstraction is one of the core concepts of Object-Oriented Programming. Abstraction defines a model to create an application component. The implementation of abstraction depends on the language-specific features and processes. 1. What is Abstraction? Abstraction….

Python doesn’t have any specific data type as an array. We can use List that has all the characteristics of an array. Python array module can be used to create an array of integers and….

There are four ways to add elements to a List in Python. append(): append the object to the end of the list. insert(): inserts the object before the given index. extend(): extends the list by….