Community driven content discussing all aspects of software development from DevOps to design patterns. It’s much easier to format an int with printf than a float or double, because decimal precision ...

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 that ...

Have you ever wondered how Java seamlessly combines its primitive data types with object-oriented programming? Enter wrapper classes, an important but often overlooked Java feature. These special ...

I have an Object[] (array of objects) that stores one row of the results of a database query. I need to store the first value of this in an integer, like so: Integer x = (Integer)row[0]; Recently, ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java Scanner class is a simple, versatile, easy-to-use class that makes user input in Java ...