试题详情
- 单项选择题 class ThreadBoth extends Thread implements Runnable { public void run(){ System.out.print("hi "); } public static void main(String [] args){ Thread t1 = new ThreadBoth(); Thread t2 = new Thread(t1); t1.run(); t2.run(); } } 结果为:()
A、hi
B、hi hi
C、编译失败
D、代码运行,但无输出结果
- B
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