instanceof

相关标签：javascript jquery android 多少钱 iPhone

How to perform runtime type checking in Dart?

Dart specification states: Reified type information reflects the types of objects at runtime and may always be queried by dynamic typechecking constructs (the[详细]

2023-04-12 13:58 分类：问答
Generics and use of 'instanceof'

A question specific to generics in Java, and their usage with instanceof: For the following if-statement: if (((NodeInternal<Value>) p开发者_JS百科arent).NW() instanceof NodeLeaf<?>)[详细]

2023-04-11 16:24 分类：问答
Why does instanceof return false for a singleton using a constructor with arguments?

I\'m trying to check for a specific type of object in my code.Even though the object has the constructor in its prototype, it is still failing to return the correct object type and always returns with[详细]

2023-04-06 03:11 分类：问答
Advice around method implementing an extended interface

I am trying to do an advice around a method that extends an interface that looks like this: public interface StructureService {[详细]

2023-04-05 22:49 分类：问答
How to find type without using instanceof?

I have a List of interface type Criter开发者_StackOverflowia within my class Query. List<Criteria> criteria = new ArrayList<Criteria>();[详细]

2023-04-05 07:05 分类：问答
What is the 'instanceof' operator used for in Java?

What is the instanceof operator 开发者_运维知识库used for? I\'ve seen stuff like if (source instanceof Button) {[详细]

2023-04-02 09:03 分类：问答
Java instanceof and byte[]

What I would expect is that \'potentialByteArray instanceof byte[] would return true when potentialByteArray is an instance of a byte[], but this doesn\'t seem to happen -- it\'s always false for some[详细]

2023-04-01 00:38 分类：问答
Is it okay to use the instanceof operator to implement two parallel hierarchies of functions and arguments to those?

Is it bad practice to use the instanceof operator in the following context? public interface IWriter {[详细]

2023-03-31 11:47 分类：问答
Why getClass returns the name of the class + $1 (or $*)

I\'m writing a piece of code in which I have to cast an Object if it is an instance of a certain class.[详细]

2023-03-30 14:19 分类：问答
How to use more than one <instanceof> condition in <visibleWhen>?

There are two conditions for a popup menu to appear, I am using the <instanceof..> inside a <visibleWhen> tag in my plugin.xml? I have used the <or>...<instance of>...</or&g[详细]

2023-03-28 09:31 分类：问答