Class Main

java.lang.Object

com.sun.tools.javac.Main

public class Main extends Object

A legacy programmatic interface for the Java Programming Language compiler, javac. See the jdk.compiler module for details on replacement APIs.

Since:: 1.5

Constructor Summary

Constructor	Description
`Main()`	Deprecated, for removal: This API element is subject to removal in a future version.

Method Summary

Modifier and Type	Method	Description
`static int`	`compile(String[] args)`	Programmatic interface to the Java Programming Language compiler, javac.
`static int`	`compile(String[] args, PrintWriter out)`	Programmatic interface to the Java Programming Language compiler, javac.
`static void`	`main(String[] args)`	Main entry point for the launcher.

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Main

@Deprecated(since="16", forRemoval=true) public Main()

Deprecated, for removal: This API element is subject to removal in a future version.

Do not call.

Method Details

main

public static void main(String[] args) throws Exception

Main entry point for the launcher. Note: This method calls System.exit.

Parameters:: args - command line arguments
Throws:: Exception - only if an uncaught internal exception occurs; just retained for historical compatibility

compile

public static int compile(String[] args)

Programmatic interface to the Java Programming Language compiler, javac.

Parameters:: args - The command line arguments that would normally be passed to the javac program as described in the man page.
Returns:: an integer equivalent to the exit value from invoking javac, see the man page for details.

compile

public static int compile(String[] args, PrintWriter out)

Programmatic interface to the Java Programming Language compiler, javac.

Parameters:: args - The command line arguments that would normally be passed to the javac program as described in the man page.; out - PrintWriter to which the compiler's diagnostic output is directed.
Returns:: an integer equivalent to the exit value from invoking javac, see the man page for details.

© 1993, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/25/docs/api/jdk.compiler/com/sun/tools/javac/Main.html