单项选择题

class Work implements Runnable { 
Thread other;  
Work(Thread other) { this.other = other; } 
public void run() { 
try { other.join(); } catch (Exception e) { } 
System.out.print("after join "); 
} } 
class Launch { 
public static void main(String [] args) { 
new Thread(new Work(Thread.currentThread())).start(); 
System.out.print("after start "); 
} } 
结果为:()

A.after join
B.after start
C.after join after start
D.after start after join

相关考题