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Java compiler

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A Java compiler is a compiler for the Java programming language.

Some Java compilers output optimized machine code for a particular hardware/operating system combination, called a domain specific computer system. An example would be the now discontinued GNU Compiler for Java.[1]

The most common form of output from a Java compiler is Java class files containing cross-platform intermediate representation (IR), called Java bytecode.[2]

The Java virtual machine (JVM) loads the class files and either interprets the bytecode or just-in-time compiles it to machine code and then possibly optimizes it using dynamic compilation.

A standard on how to interact with Java compilers was specified in JSR 199.[3]

See also

References

  1. ^ "GCJ - past, present, and future". Retrieved 2021-09-24.
  2. ^ "The Java Virtual Machine Specification, Java SE 8 Edition, Section 1.2". Retrieved 2021-09-24.
  3. ^ "JSR 199: JavaTM Compiler API". Retrieved 2021-09-24.


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