In Java, nested classes are categorized as either static member classes or inner classes. Inner classes are non-static member classes, local classes, or anonymous classes.

See the Java 101 Java interfaces tutorial for a more in-depth introduction to using interfaces in your Java programs, including where and where not to use default, static, and private methods.

Java’s main function Java’s main function Java’s main method is composed of six terms — three reserved words, the main method name, a reference type and a variable name: public – Java’s main function ...

It's always a good idea to employ a few static code analysis tools as part of your software development routine. There are a number of great tools that perform static analysis of Java code, such as ...