小编Леш*_*кки的帖子

请告诉我以下情况之间的区别：

public class Test {
    private static < T extends Throwable > void doThrow(Throwable ex) throws T {
        throw (T) ex;
    }

    public static void main(String[] args) {
        doThrow(new Exception()); //it's ok
    }
}

这种情况下没有编译错误

和

public class Test {
    private static < T extends Throwable > void doThrow(Throwable ex) throws Throwable {
        throw (T) ex;
    }

    public static void main(String[] args) {
        doThrow(new Exception()); //unhandled exception
    }
}

有编译错误