日期:2014-05-20 浏览次数:21207 次
public class HelloWorld {
    public static void main(String[] args) {
        try {
            if (new RuntimeException() {
                boolean n() {
                    switch (getStackTrace().length) {
                    case 3:
                        return false;
                    case 4:
                        return true;
                    default:
                        printStackTrace();
                        throw this;
                    }
                }
                public void printStackTrace() {
                    main(null);
                };
            }.n()) {
                System.out.print("Hello ");
            } else {
                System.out.println("world!");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
------解决方案--------------------
确实有点无聊了
------解决方案--------------------
果然够无聊