Checking if an Object has already been Instantiated in Java
49
What is a NullPointerException, and how do I fix it?
107916
How do determine if an object is locked (synchronized) so not to block in Java?
12387
What is "Best Practice" For Comparing Two Instances of a Reference Type?
125134
Instantiating object of type parameter
117169
Looping through all instances of a javascript object
133544
Is there a way to instantiate a class by name in Java?
87220
How do I programmatically compile and instantiate a Java class?
120830
How to create immutable objects in Java?
42057
Working with objects created with Activator.CreateInstance
70566
How do I check if an object has a key in JavaScript?
122528
How do I copy an object in Java?
628
How to create a new object instance from a Type
108025
Check if class already assigned before adding
99307
How can I safely (and easily) count *all* instances of a class within my program?
114604
How to compare two java objects
121677
Using final methods to initialize an instance variable
120566
Compare two objects in Java with possible null values