import java.io.File;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import javax.tools.JavaCompilerTool;

import javax.tools.JavaFileObject;

import javax.tools.StandardJavaFileManager;

import javax.tools.ToolProvider;

import javax.tools.JavaCompilerTool.CompilationTask;

public class JDK6JavaCompilerDemo {

    public static void main (String[] args) {

        String sourceFile = "c:/HelloWorld.Java";

        JavaCompilerTool compiler = ToolProvider.getSystemJavaCompilerTool ();

        StandardJavaFileManager fileManager =

                compiler.getStandardFileManager (null);

        // prepare the source file(s) to compile

        List sourceFileList = new ArrayList ();

        sourceFileList.add (new File (sourceFile));

        Iterable compilationUnits =fileManager.getJavaFileObjectsFromFiles (sourceFileList);

        CompilationTask task = compiler.getTask (null,fileManager, null, null, null, compilationUnits);

        task.run ();

        boolean result = task.getResult ();

        if (result) {

            System.out.println ("Compilation was successful");

        } else {

            System.out.println ("Compilation failed");

        }

        try {

            fileManager.close ();

        } catch (IOException e) {

        }

    }

}

/*

 * import Java.util.Date;

public class HelloWorld {

    public static void main (String[] args) {

        Date date = new Date (1234, 11, 12);

        System.out.println ("[" + date + "] Hello World !");

    }

}

 */