Community driven content discussing all aspects of software development from DevOps to design patterns. The first line of code that new developers encounter when they write their first Java program ...

Learn how to use pattern-matching features in your Java programs, including pattern matching with switch statements, when clauses, sealed classes, and a preview of primitive type pattern matching ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Print and format a table with printf Sometimes it’s nice to format the output of a console based Java program in a friendly way. The java.lang package has no built-in table generators, but you can ...