多项选择题
A.Line 35 will not compile.
B.Line 36 will not compile.
C.Line 37 will not compile.
D.Line 38 will not compile.
单项选择题 现有: class ThreadExcept implements Runnable { public void run() { throw new RuntimeException("exception "); } public static void main(String [] args) { new Thread(new ThreadExcept()).start(); try { int x = Integer.parseInt(args[0]); Thread.sleep(x); System.out.print("main "); } catch (Exception e) { } } } 和命令行: java ThreadExcept 1000 哪一个是结果?()
单项选择题 程序员想要创建一个名为MyThread的类以便在main方法中用Thread实例化。 对于下面三行: MyThread必须继承Thread。 MyThread必须实现Thread。 MyThread必须覆盖public void run()。 有几行是正确的?()
单项选择题 现有: class Thread2 implements Runnable { void run() { System.out.print("go "); } public static void main(String [] args) { Thread2 t2 = new Thread2(); Thread t = new Thread(t2); t.start(); } } 结果为:()