Restrict a class to be instantiated not more than five times
62336
How do I restrict object creation not more than 3 in Java class?
77954
Override a method at instance level
24894
Is there a way to instantiate objects from a string holding their class name?
130481
calling init for multiple parent classes with super?
136712
How do I create an immutable Class?
6948
How to prevent a user from having multiple instances of the Same Web application
125648
Use Data From Class Without A New Init
79383
Is it "legal" to CREATE and DROP #SomeTable more than once?
31101
How to call launch() more than once in java
68256
How many constructor arguments is too many?
73217
Is there a way to instantiate a class without calling __init__?
47535
Toggling only a single class as active in a list with vanilla JS or CSS
22996
In Java, is it possible to know whether a class has already been loaded?
41609
Unit testing a class that uses a Timer
111073
Preventing multiple objects from being printed
90191
How can I edit this trigger to only fire once?
57541
How to ensure only a single instance of my application runs?