When compiling class initializers and class initialization blocks, the Java compiler stores the compiled bytecode (in top-down order) in a special method named <clinit>().

The application class loader is a standard Java class that loads classes from the directories and JAR files listed in the CLASSPATH environment variable or the -classpath command-line option.

Java applications that use higher JDK versions can also use the Upgrade Wizard to migrate the greater part of the application (business logic, JDK-level 1.1.4 classes, and most of the JDK 1.2 java ...