SampleCheckInterface.java Source code

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Here is the source code for SampleCheckInterface.java

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/* From http://java.sun.com/docs/books/tutorial/index.html */
/*
 * Copyright (c) 1995-1998 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for NON-COMMERCIAL purposes and without fee is hereby granted
 * provided that this copyright notice appears in all copies. Please refer to
 * the file "copyright.html" for further important copyright and licensing
 * information.
 * 
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
 * NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
 * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES.
 */

import java.util.Observable;
import java.util.Observer;

public class SampleCheckInterface {

    public static void main(String[] args) {
        Class observer = Observer.class;
        Class observable = Observable.class;
        verifyInterface(observer);
        verifyInterface(observable);
    }

    static void verifyInterface(Class c) {
        String name = c.getName();
        if (c.isInterface()) {
            System.out.println(name + " is an interface.");
        } else {
            System.out.println(name + " is a class.");
        }
    }
}