How do you call a return method in Java?
return is a reserved keyword in Java i.e, we can’t use it as an identifier. It is used to exit from a method, with or without a value. return can be used with methods in two ways: Methods returning a value : For methods that define a return type, return statement must be immediately followed by return value.
Can Python return a list?
You can return multiple values from a function in Python. To do so, return a data structure that contains multiple values, like a list containing the number of miles to run each week. Data structures in Python are used to store collections of data, which can be returned from functions.
Can you return a collection that contains two variables?
Return a collection that contains two variables. This can lead to confusing code. Build a container class to hold the double return. This is more self-documenting then a collection containing other collections, but it seems like it might be confusing to create a class just for the purpose of a return.
When do you need to return a single object?
4: If the two return values are uniquely tied together in some way or form that it could exist as its own object, then you can return a single object that holds the two values. If this object is only being designed and used for this method’s return type, then it likely isn’t the best solution.
Can You Define your own collection in List < T >?
For the type of elements in the List , you can also define your own class. In the following example, the Galaxy class that is used by the List is defined in the code. Many common collections are provided by .NET. Each type of collection is designed for a specific purpose. Some of the common collection classes are described in this section:
Can a collection have more than one data type?
If your collection contains elements of only one data type, you can use one of the classes in the System.Collections.Generic namespace. A generic collection enforces type safety so that no other data type can be added to it.