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Native compilation with Java

Can you compile Java code into a native executable?

By Tony Sintes, JavaWorld.com, 06/15/01

I routinely receive two questions:

1. "How can I compile my Java code into a native executable?"
2. "I know about VisualAge and TowerJ, but doesn't the JDK ship with a native compiler?"

Both are good questions that deserve answers.

Question 1: "How can I compile my Java code into a native executable?"

Answer: Native compilation is a hot issue. I routinely receive emails on the subject. In fact, two Java Q&As address this subject:

• "Create a Native Java Executable, Revisited," (JavaWorld, June 2000)
• "Run the Java Program Without the JDK Runtime? Yes You Can! (JavaWorld, April 1999)

Rather than try to explain how to natively compile an application (again), I will point you to an excellent resource. Please see "Webpages Related to Compiling the Java Programming Language ." This Webpage is one of the most complete resources on natively compiling Java on the Net.

In summary, to natively compile Java code, you'll need to download a compiler and you might need to fork over some cash.

Question 2: "I know about VisualAge and TowerJ, but doesn't the JDK ship with a native compiler?"

Answer: No!

I think that should finally put the issue to rest.

Read more about Core Java in JavaWorld's Core Java section.