【判断题】
class SubThread extends Thread{ public void run(){ for (int i=1; i<=20; i++) System.out.print("次" + i + ", "); } } public class TestExtendsThread{ public static void main(String[] args){ SubThread sub = new SubThread(); sub.start(); for (int i=1; i<=20; i++) System.out.print("主" + i + ", "); }}上述语句中,sub.start();可以省略。( )
参考答案:
参考解析:
举一反三