Simple and easy-to-follow free tutorials on Core Java, Spring, Spring Boot, Maven, JPA, Hibernate, JUnit, Python and other popular libraries.

Aug 15, 2024 · 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 …

Java 8 was released in early 2014. This tutorial list down important Java 8 features with examples such as lambda expressions, Java streams, functional interfaces, default methods and date …

Jan 2, 2023 · Java do-while loop executes the statements in do block, and then evaluates a condition in the while block to check whether to repeat the execution. The difference between …

In this must-read Java tutorial, clear your doubts and be ready to answer some popular interview questions. e.g. What is correctness in thread safety? Give an example of thread-safe class?

HowToDoInJava provides tutorials and how-to guides on Java and related technologies. It also shares the best practices, algorithms & solutions and frequently asked interview questions.

Design patterns, as name suggest, are solutions for most commonly (and frequently) occurred problems while designing a software. These patterns are mostly “evolved” rather than …

The String.substring() in Java returns a new String that is a substring of the given string that begins from startIndex to an optional endIndex. These indices determine the substring position …

Sep 19, 2023 · Since Java 8, Stream can be defined as a sequence of elements from a source, such as collection or array. Learn about stream api with examples.

Aug 15, 2024 · Most of these Spring Boot tutorials cover the changes introduced in Spring Boot 3 release, and others should work automatically after migrating to Java 17 and Jakarta …