OpenJDK proposal would replace ASM with an up-to-date and performant API for parsing, generating, and transforming Java class files.

A Java class loader works by converting a class file into a Java class that can be executed by the JVM. The three primary types of class loaders in Java are as follows: ...

Generally, Java compilers are run and pointed to a programmer's code in a text file to produce a class file for use by the JVM on different platforms. Jikes, for example, is an open source compiler ...

Learn how a Java JAR file (Java Archive) allows you to package compiled code and other resources in a single file that is easily deployed and executed resources.