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Java

Java is a powerful and widely used programming language powering several development servers. It brought in a revolution by its feature of being platform independent which drove its wide adoption

Recursion in Java

This article will dive into the basic introduction to recursion, and how it is implemented in Java.

Three - Dimensional 3D ArrayList in Java

In this article, we have explored the concept of 3D ArrayList in Java and demonstrated how to perform different operations such as insert, delete, search and much more with Java code snippets.

List of Interview Questions

Interview questions on OOP concepts

Questions about OOP concepts are asked in every organization during interviews, be it product-based or service based. This article covers the most important questions you need to crack any technical round.

List of Interview Questions

70 Spring Interview Questions and Answers

Spring is a Java based framework. It was developed by Rod Johnson. The first version of spring framework was released by Rod Johnson. In this article, we have covered 70 Spring Interview Questions and Answers.

Implementing Quick Sort in Java

In this article, we are going to learn about the implementation of quick sort algorithm in Java.

Introduction to Spring Boot

In this article, we explore one of the most popular Frameworks for Java Developers - Spring Boot and compare it with other popular frameworks like Spring, Spring MVC, Hibernate, and Spring Data.

NullPointerException in Java

Any developer beginning their Java programming journey will inevitably come across a certain error: the NullPointerException. The NullPointerException is one of the most common errors encountered by beginner programmers when dealing with objects in Java.

Hibernate Annotations

We can configure hibernate through Java configuration or XML configuration and the mapping details can be provided through XML or Java Annotations.

Hibernate Inheritance Mapping

In this article, we are going to learn various strategies of inheritance mapping that hibernate implements to deal with Inheritance Object-Relational Impedance Mismatch.

CRUD operation using hibernate in MySQL database

In this article, we are going to learn how to develop an application that performs the CRUD operations in MySQL database using hibernate. Here we will develop a command line application but the same procedure can be used to develop any other type of application like GUI, webapp etc.

Linked Hash Set in Java

In this article, we will understand the LinkedHashSet Class which has been included in java.util since version 1.4.

Caching in Hibernate

This article explains the basics of caching with Hibernate for default first-level cache and optional second-level cache, provides an extensive overview of general caching concepts, and includes example configurations of second-level cache.

Mappings in Hibernate

This article explains and shows examples of mapping of relations between entity classes in application to relationships between database tables, including standard to SQL databases one-to-many, many-to-one, one-to-one, and many-to-many relationships in Hibernate.

Basics of Hibernate (architecture + example)

Hibernate is a Java framework that maps Java classes and types into the relational databases, which solves problems of "paradigm mismatches". This article explains the basics of Hibernate and provides a simple example with the MySQL database.

API requests in Java

This article shows and explains the techniques to run API requests from Java applications, examples applied for GitHub REST API, GitHub GraphQL API, and public web services for SOAP API.

Download webpage in Java [5 methods]

There are multiple techniques and approaches to automating the process of acquiring information from the web resources, both for the simplest tasks and for advanced work automation. In this article, different solutions are explored together with the pros and cons.

Type Conversion in Java

This article explains the basics of type conversion in Java, as well as potential problems to be aware of.

Static Initialization Block in Java

We all must the idea of the Constructor in Java. But the difference is, the Static Initialization Block is a set of instructions that are run only once when the class is loaded into memory.

Anonymous Class in Java

We know that Java language mainly follows the OOPs concept (From Java 1.8, we get functional programming.). So there is no anonymous function in Java. But we can create Anonymous objects by extending the concept of the inner class.

Control Flow in Java

Java provides users with certain statements that facilitate them to control the flow of their program. Such statements are called Control Flow Statements.

Different ways to terminate program in Java

Generally, Java programs terminate when they reach the end of the program, but there may be times when we need to know how to terminate a program when a certain condition is met or an exception occurs.

Interview Questions in Java (MCQ)

In this article, we have presented several Interview Questions in Java (MCQ) covering all important topics in Java. These questions are frequently asked in Coding Interviews and you must attempt these questions.

What Java Programmers Should Learn In 2021?

Insanely growing demand for programmers comes with more and more competition in the field, and that ends up in "survival of the fittest". Even if you're a talented Java programmer already, there is always room for improvement.

Software Engineering

TreeSet in Java

TreeSet is created using the implementations of the SortedSet interface in Java and it uses Tree for storage.

Software Engineering

StringBuilder in Java (java.lang.StringBuilder)

StringBuilder is a standard library class in Java which can be used in handling string data and is alternative to String Buffer and String data type.