(24 )请阅读下面程序public class ThreadTest {public static void main (String args[ ]){Thr
(24 )请阅读下面程序
public class ThreadTest {
public static void main (String args[ ]){
Thread t1 = new Thread (new Hello ()):
Thread t2 = new Thread (new Hello ()):
t l .start ():
t2.start ();
}
}
class Hello implements Runnable {
int i ;
public void run (){
while (true ) {
System.out.println ("Hello"+i++ ) ;
if (i=5 ) break :
}
}
}
该程序创建线程使用的方法是()
A )继承 Thread 类
B )实现 Runnable 接口
C ) t l.start ()
D ) t2.start ()