Community driven content discussing all aspects of software development from DevOps to design patterns. Good programmers need to create code that efficiently solves problems, using various methods. A ...

Java gives you the ability to dynamically create strings. Even after you set the string value, you can add more characters to the string value throughout the code. This process lets you build a string ...

Java 25 LTS is officially here, and with it comes a massive update to IntelliJ IDEA. The new version is all about making the ...

The term assert is a Java keyword that was introduced into the language with the JDK 1.4 release in February 2002. Java's assert keyword is unique in two very interesting ways: The Java assert is ...

Here's everything you need to know about Java operators and operator types, and how to use them to write expressions for your Java programs. In this tutorial, you will learn how to write expressions ...

A clear and concise description of the problem. java.lang.RuntimeException: java.lang.NoSuchMethodError: 'java.lang.String org.apache.http.client.utils ...

java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.hashCode()' on a null object reference at pl.mytest.app.data.point.dto ...