阅读下面程序 public class Test2 ______ publi
问题:
阅读下面程序
public class Test2 ______
public static void main(String[] args)
Thread t=new Test2();
t.start();
public void run()
System.out.println("How are you.");
程序中下画线处应填入的正确选项是
A.implements Thread
B.extends Runnable
C.implements Runnable
D.extends Thread