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Tutorials

Spring AI Tutorial

Inspired by LangChain4j and LlamaIndex, Spring AI project aims to streamline the development and integration of AI capabilities into existing or new Spring applications.

Java IO (Input/Output) Tutorials

Java IO is a collection of APIs targeted at reading and writing data from various sources to several targets. For example, we can read data from a file or over a network, write to a file or write a response back over the network. This page categorizes the various IO-related common tasks …

Spring Tutorials

Spring helps write high-performing, easily testable, and reusable code and promotes programming best practices by applying dependency injection (DI).

Spring MVC

Spring WebMVC (or Spring MVC) contains Spring’s model-view-controller (MVC) and REST Web Services implementation for web applications.

Spring Batch Tutorial

Spring batch is a lightweight, comprehensive framework designed for the development of robust batch processing applications. Learn with examples.

Java String Tutorial

Java String class examples. Learn to create strings, methods, comparisons, formatting and various conversions with simple and easy to follow Java examples.

Interview Guide

These articles will help you prepare for the next interview with more confidence. We have tried to put as much reasoning as possible in each question. Feel free to suggest more questions and guides. 1. Java Interview Questions 2. Spring Interview Questions 3. More Questions Happy Learning !!

Object Oriented Programming Tutorials

Object-oriented programming (OOP) is a programming model that organizes software design around data or objects. Learn how Java supports OOP.

Maven Tutorials

Maven is a build tool based on POM and is generally used for Java projects to automatically download the project dependencies in build time.

TypeScript Tutorial

TypeScript is an open-source programming language that was developed and maintained by Microsoft in 2012. TypeScript brings ‘types’ (or datatypes) to JavaScript making a strongly typed language. This page lists down all the TypeScript tutorials posted on this blog for easy navigation. 1. TypeScript Basics 2. TypeScript Types 3. TypeScript …

Guide to Java Concurrency

The backbone of Java concurrency are threads. A thread is a lightweight process with its own call stack but can access shared data of others.

Java Collection Tutorials

This Java guide will take us through Java Collections framework. We will understand the core concepts and performing the basic operations.

Java List

Lists are the core building blocks of the Collections framework. These tutorials will teach us the basics of different List classes in Java.

Java Map

Maps in Java are the core building blocks of the Collections framework. These tutorials will teach the basics of working with different maps.

Java Versions and Features [Updated upto Java 22]

On this page, we will frequently list the major feature changes in the latest Java release, sequentially. Though we have tried to cover as much information as possible, if you know something we have missed below, please let me know, and we will add that information. Java 22 Features Java …

TestNG Tutorials

TestNG is a test automation framework inspired by JUnit. It can be used for unit testing, functional, integration, and end-to-end testing.

Spring Boot Tutorial

Learn Spring Boot with the following in-depth tutorials, covering from basic to advanced concepts such as packaging and monitoring.

Java Regex – Regular Expression Tutorials

Java Regex or regular expressions can add, remove, isolate, and generally fold, spindle, and mutilate all kinds of text and data.

Java Logging

This Java logging series lists down all tutorials posted under logging frameworks such as Log4j2 and Logback, for quick references.

Hibernate Tutorials

These tutorials have been published to help you start with persistence with Hibernate and JPA. These are updated to version Hibernate 6.x.

JUnit Tutorials

This JUnit tutorial series lists down the articles written for the creation and execution of JUnit 4 and JUnit 5 tests.

Java Stream Tutorials

This Java tutorial lists down the published tutorials on this blog related to Stream API, methods and its related concepts with examples.

Java Date Time Tutorials

The legacy Java API had been a big pain point for Java developers for quite a long time. With the release of Java 8 release (JSR-310), package java.time introduced the new immutable classes that solved the issue with the original classes. Following articles have been published to help you start with some very common …

Java Array

Arrays in Java, conceptually, are no different than in other programming languages. The java.util.Arrays class provides many useful static methods to work with arrays and perform common operations on them. 1. Array Basics 2. Array Operations 3. Searching and Sorting 4. Conversions 5. Advance Topics Happy Learning !! Sourcecode on …

Java Tutorial

Java is one of the most popular programming languages for developing all kinds of desktop applications, web applications and mobile apps. The following articles will help you quickly become familiar with Java language and move towards more complex concepts such as API and cloud development. 1. Java Language Basics Start …