How do I use a class inside another class?
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What is a NullPointerException, and how do I fix it?
4532
How to add a class to a given element?
51739
Why can in-class initializers only use = or {}?
134581
Extending from two classes
45438
Importing two classes with same name. How to handle?
44407
How to create two classes in C++ which use each other as data?
128717
setTimeout() inside JavaScript Class using "this"
101284
How to have two methods calling each other?
61080
How can I add a class to a DOM element in JavaScript?
107603
Creating an instance using the class name and calling constructor
68548
Java: Class.this
126510
How to repeat/loop/return to a class
125648
Use Data From Class Without A New Init
57438
Python: Reference to a class from a string?
109479
Class variables not yet supported
108848
I'm getting a error when I declare a class as a member of other class. error : a class-key must be used when declaring a friend
94566
How to do a PHP nested class or nested methods?