I have this simple interface/class: public abstract class Message {} public class Message1 extends Message {}
How can I see in Java if an Object is an array without using reflection? And how can I iterate t开发者_开发技巧hrough all items without using reflection?
Im overriding an equals() method and I need to know if the objec开发者_如何学JAVAt is an instance of a Event\'s subclass (Event is the superclass). I want something like \"obj subclassof Event\". How
Why doesn\'t this code开发者_如何学运维 compile? public boolean isOf(Class clazz, Object obj){
The following compiles fine: Object o = new Object(); System.out.println(o instance开发者_开发知识库of Cloneable);
In some of my own older code, I use the following: Object.prototype.instanceOf = function( iface ) { r开发者_StackOverfloweturn iface.prototype.isPrototypeOf( this );
I need to test, if an instance is exactly of a given type. But it seems that instanceof returns true also if the subtype is tested for the supertype (case 3). I never knew this before and I am quite s
This question already has answers here: Check if a Class Object is subclass of another Class Object in Java
The instanceof keyword in JavaScript can be quite confusing when it is firs开发者_开发百科t encountered, as people tend to think that JavaScript is not an object-oriented programming language.
interface If { ... } c开发者_Go百科lass Impl implements If { ... } function test(type:Class, obj) {
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