Java – Swapping two numbers using temporary variable
In this article, we will discuss one of the famous interview question on how to swap two numbers using third or temporary variable Actually, there are n number of Read More
Tag: oops
OOPs Principle in Java
In this article, we will discuss OOPs Principle with respect to Java Programming Language. OOPs which stands for Object-Oriented Programming defines different principle approaches which Read More
Java – Swapping two numbers without temporary variable
In this article, we will discuss one of the famous interview question on how to swap two numbers without using third/temporary variable Actually, there are Read More
Java – How to construct an immutable class ?
In this article, we will discuss how to construct or create an immutable class step-by-step This is one of the favorite interview questions for fresher and Read More
Java – 4 ways to create an Object
In this article, we will discuss various ways to create Object in Java i.e.; Various ways to create Object in Java Primarily, there are only 4 Read More
Java – Declaration, Definition, Initialization and Instantiation, Instance of class
In this article, we will discuss some of the key terms used in programming languages. Often, we get confused with few terms in the programming Read More
Java – super keyword with example
In this article, we will discuss super keyword in Java super keyword in java is used to refer immediate parent-class‘ properties/attributes/variables, method and constructor Usage Read More
Java – this keyword with example
In this article, we will discuss this keyword in Java this keyword in java is used to refer the current instance of the class 1. Read More
Java – static keyword with example
In this article, we will discuss static keyword in Java. static keyword falls under non-access modifier category Advantage :- Use of static helps in efficient Read More
Java – Interview Question and Answers on final keyword
In this article, we will cover some of the interview questions with their justification on final keyword in Java These are most frequently asked interview Read More
Java – final keyword with example
In this article, we will discuss final keyword in Java. final keyword falls under non-access modifier category final keyword can be used with Variable Method Read More
Java – instanceof operator or keyword
In this article, we will learn instanceof operator or keyword in Java and understand how it’s help to avoid ClassCastException during type casting rather to Read More
Java – Interface v/s Abstract Classes
In this article, we will list the difference between interface and abstract classes in Java Before moving ahead with the differences, read the detailed concepts Read More
Java – Interview Question and Answers on Abstract Classes & Methods
In this article, we will cover some of the interview questions with their justification on Java Abstract Classes & methods These are most frequently asked Read More
Java – Abstract classes and methods with example
In this article, we will learn about abstract classes and methods with detailed example 1. Abstract Class : A class with abstract keyword in class Read More
Java – Static Initialization blocks v/s Instance Initialization blocks
In this article, we will list the difference between Static Initialization blocks and Instance Initialization blocks in Java Before moving ahead with the differences, read Read More
Java – Constructors, Initialization blocks and their execution order
In earlier articles, we have learnt about Java Constructor and Initialization blocks in detail. But we learnt all these concepts individually and what if both Read More
Java – Initialization blocks with examples
In this article, we will learn and understand the importance of initialization blocks in Java And we’ll look into why they are needed in Java, Read More
Java 8 – Interface interview question and answers
In this article, we will cover some of the interview questions with their justification on Java 8 interface These are most frequently asked interview question Read More
Java – Interview Question and Answers on Interface
In this article, we will cover some of the interview questions with their justification on Java interface These are most frequently asked interview question from Read More