Is Runnable an interface or an object in Java?
900
How are Anonymous inner classes used in Java?
42892
How do I check (at runtime) if one class is a subclass of another?
151495
What is the way to run a new thread and a UI thread in Android?
95399
What is Activity.finish() method doing exactly?
92032
What's the difference between Thread start() and Runnable run()
71758
Why can an Object member variable not be both final and volatile in Java?
69315
Should you always Code To Interfaces In Java
62472
How to get the Runtime-Type of an Object dynamically (for Primitive Data Types and SObjects)
76851
In Java, how do you determine if a thread is running?
128618
Difference between processing.runalg() and general.runalg()
69594
What is the difference between an interface and abstract class?
50570
When to use an interface instead of an abstract class and vice versa?
116081
How can I refer to the class type a interface is implementing in Java?
34360
Why would I want to use Interfaces?
96666
Does JavaScript have the interface type (such as Java's 'interface')?
135931
What does "Method '~' of object '~' failed" at runtime mean?
5245
When should I use an interface in java?