some crashes reported in our prod app, tried to reproduce it but not able to, also these crashes are not consistent in behaviour. Fatal Exception: java.lang.NullPointerException: Attempt to invoke ...

Learn how to use Java annotations to associate metadata with classes, methods, and other application elements in your Java programs. There are times when you need to associate metadata, or data ...

Java records example To demonstrate how a Java 17 record can help you create cleaner and simpler code, let's first start off with a standard, simple Java class that can identify a person's location, ...

In December 2023, scientists declared the Java stingaree (Urolophus javanicus), a species of stingray, extinct. It’s the first marine fish confirmed to have gone extinct due to human actions.

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

Java 8 ternary operator A bug in a Java 8 support release caused the ternary operator to behave incorrectly in certain corner-cases. The bug has been fixed, and should not be a problem today. More to ...

Learning Java can help aspiring developers understand the foundations of programming because of the language’s wide usage and functionality.

However, because of Java’s strong typing, you need to know this for sure right from the start and declare the variable correctly. Using a Boolean is the most efficient of all, as it only takes ...