Best method to show two different data type

1. How to return two different datatypes in Java?
2. Can a method have 2 return types?
3. Which method is used to check data type?

How to return two different datatypes in Java?

We can use Pair in Java to return two values. We can encapsulate all returned types into a class and then return an object of that class.

Can a method have 2 return types?

No, you don't have two return types. It's a generic method you are seeing.

Which method is used to check data type?

getType() The getType() method of the Field class is used to get the type of field defined by the Field object. The return value helps us in identifying the type of the field.