Why String is immutable in Java. Java Coding Conventions. Why use inner classes in java. Q: So what are inner classes good for anyway?
A: Inner classes nest within other classes. A normal class is a direct member of a package, a top-level class. Inner classes, which became available with Java 1.1, come in four flavors: Static member classesMember classesLocal classesAnonymous classes. Java class file. History As of 2006[update], the modification of the class file format is being considered under Java Specification Request (JSR) 202. File layout and structure Sections