All Posts About Java

In this tutorial, we’ll learn how to use TreeMap to sort a Map by its keys in Java

In this tutorial, we’ll learn how to sort an Array List of Objects in Java

In this tutorial, we’ll learn how to print the elements of a given Array in Java.

In this article, we’ll learn how to validate IPv4 addresses using Java Regex

In this article, we will learn how to assert Optional in Java using JUnit 5 and AssertJ assertion libraries.

In this article, we will learn how to assert thrown exceptions in Java using JUnit 5 and AssertJ assertion libraries.

In this article, we will learn how to assert Object’s multiple properties in a single assert in JUnit 5, Hamcrest, and AssertJ assertion libraries.

In this tutorial, we’ll learn how to read a PDF file in Java using different libraries.

Java has several assertion libraries that can help you with testing and debugging your code. In this article, we’ll look at various assertions libraries and compare them.

In this tutorial, we’ll learn how to write efficient Junit test cases in Java using Junit 5 ( Jupiter ) assertions.