The following example shows how to format a Java source file containing a single public class. Interfaces are formatted similarly. For more information, see "Class and Interface Declarations" on page 4 and "Documentation Comments" on page 9
/*
 * @(#)Blah.java        1.82 99/03/18
 *
 * Copyright (c) 1994-1999 Sun Microsystems, Inc.
 * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of Sun
 * Microsystems, Inc. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Sun.
 */
package java.blah;
import java.blah.blahdy.BlahBlah;
/**
 * Class description goes here.
 *
 * @version 	1.82 18 Mar 1999
 * @author 	Firstname Lastname
 */
public class Blah extends SomeClass {
    /* A class implementation comment can go here. */
    /** classVar1 documentation comment */
    public static int classVar1;
    /** 
     * classVar2 documentation comment that happens to be
     * more than one line long
     */
    private static Object classVar2;
    /** instanceVar1 documentation comment */
    public Object instanceVar1;
    /** instanceVar2 documentation comment */
    protected int instanceVar2;
    /** instanceVar3 documentation comment */
    private Object[] instanceVar3;
    /** 
     * ...constructor Blah documentation comment...
     */
    public Blah() {
        // ...implementation goes here...
    }
    /**
     * ...method doSomething documentation comment...
     */
    public void doSomething() {
        // ...implementation goes here... 
    }
    /**
     * ...method doSomethingElse documentation comment...
     * @param someParam description
     */
    public void doSomethingElse(Object someParam) {
        // ...implementation goes here... 
    }
}