Why do we implement marker Interface even if they doesn't contain any methods?
48029
What is the purpose of a marker interface?
5245
When should I use an interface in java?
1340
What are "sequence points" and how do they affect undefined behavior?
32263
C# Interfaces. Implicit implementation versus Explicit implementation
109376
Is indexing a new map element and having something that reads it assigned to it undefined behaviour, or just unspecified?
151292
Missing return statement in a non-void method compiles
143391
Move constructor is required even if it is not used. Why?
105030
When to use: Java 8+ interface default method, vs. abstract method
81041
Why an abstract class implementing an interface can miss the declaration/implementation of one of the interface's methods?
150881
implicit vs explicit interface implementation
65167
Why does exist WeakHashMap, but absent WeakSet?
150146
Final arguments in interface methods - what's the point?
77565
Should we @Override an interface's method implementation?
56593
Do fragments really need an empty constructor?
47954
Can standard container templates be instantiated with incomplete types?
66575
Why use an interface in Apex?
3519
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?