When and where should I use an interface
5245
When should I use an interface in java?
132306
Java - Interface, instantiating an interface?
85960
Abstract class vs Interface in Java
85865
Optional Methods in Java Interface
146553
Why an interface can not implement another interface?
55032
Why do I need an IoC container as opposed to straightforward DI code?
15691
Interface vs Base class
73000
what is the actual use of interface in java?
100909
Difference between adding a unit to the interface or the implementation section
52756
Difference between @interface definition in .h and .m file
77565
Should we @Override an interface's method implementation?
29840
Why can't I seem to grasp interfaces?
92138
Is the C# "explicit implementation" of the interface present in Java?
80633
Java - declaring from Interface type instead of Class
22329
Why do I need an Interface for Covariance (out Type)?
63715
What is the purpose for using an empty interface that extends another in Java?
83351
When to use Properties and when Map in Java?