Any reason to prefer getClass() over instanceof when generating .equals()?
I’m using Eclipse to generate .equals() and .hashCode(), and there is an option labeled “Use ‘instanceof’ to compare types”. The default is for … Read more
instanceof
C++ equivalent of java’s instanceof
What is the preferred method to achieve the C++ equivalent of java’s instanceof? 5 Answers 5
Javascript !instanceof If Statement
This is a really basic question really just to satisfy my curiosity, but is there a way to do something like this: if(obj … Read more
Use of “instanceof” in Java [duplicate]
This question already has answers here: Closed 10 years ago. What is the ‘instanceof’ operator used for? I learned that Java has the … Read more
Why does instanceof return false for some literals?
“foo” instanceof String //=> false “foo” instanceof Object //=> false true instanceof Boolean //=> false true instanceof Object //=> false false instanceof Boolean … Read more
Is it possible to use the instanceof operator in a switch statement?
I have a question of using switch case for instanceof object: For example: my problem can be reproduced in Java: if(this instanceof A) … Read more
The performance impact of using instanceof in Java
I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO … Read more
What is the instanceof operator in JavaScript?
The instanceof keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not … Read more
What is the difference between typeof and instanceof and when should one be used vs. the other?
In my particular case: callback instanceof Function or typeof callback == “function” does it even matter, what’s the difference? Additional Resource: JavaScript-Garden typeof … Read more
What is the difference between instanceof and Class.isAssignableFrom(…)?
Which of the following is better? a instanceof B or B.class.isAssignableFrom(a.getClass()) The only difference that I know of is, when ‘a’ is null, … Read more