How do I create a class which instance can be evaluated as false?
71662
How to inherit from NilClass or how to simulate similar function
78681
How to print instances of a class using print()?
7702
Printing all instances of a class
155637
Create object instance without invoking constructor?
3616
Create instance of generic type in Java?
70956
Is there something like self for class methods?
21834
In Python, how do I determine if an object is iterable?
31650
How do I determine if a class extends another class in Java?
148248
Check if object is Class type
23856
Evaluating an If condition to yield True/False
108376
Best way to "negate" an instanceof
24894
Is there a way to instantiate objects from a string holding their class name?
75006
Is there a way to prevent a method from being overridden in subclasses?
59951
Why does list.append evaluate to false in a boolean context?
87220
How do I programmatically compile and instantiate a Java class?
125567
What is Object Mocking and when do I need it?
101826
How do I create and access a new instance of an Anonymous Class passed as a parameter in C#?