useman.java

所学课程的编码。java的基础例子。可以练习java通过这些例子。。

/* David Java File
 * Created on 2006-4-5
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package chap05;

/**
 * @author David
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class UseMan {

    public static void main(String[] args) {
    	Man aMan = new SuperMan();
        System.out.println(aMan.getSqrtSpeed());
    }
}