java种instanceof方法和getclass方法的区别

public class Test5 {
    public static void testInstanceof(Object x)  
    {  
        System.out.println("x instanceof Parent:  "+(x instanceof Parent));  
        System.out.println("x instanceof Child:  "+(x instanceof Child));  
        System.out.println("x getClass Parent:  "+(x.getClass() == Parent.class));  
        System.out.println("x getClass Child:  "+(x.getClass() == Child.class));  
    }  
    public static void main(String[] args) {  
        testInstanceof(new Parent());  
        System.out.println("---------------------------");  
        testInstanceof(new Child());  
    }  
}

class Parent {  
      
}  
class Child extends Parent {  
  
}