Please help me to answer this questions. Java language.
1. What keyword do I use to have a derived class call methods of its base class?
2. What 2 main techniques can be used to build a project in maven?\
3. Give an example of a list (or other collection) that exhibits polymorphism?
4. What type of data may be declared and initialized in an interface?
5. Under what condition is it permissible for a subclass to not implement a method from an abstract superclass?
6. How many Interfaces can be implemented by a single class?
7. How many interfaces can a subinterface extend?
8. What two techniques can be used to change the appearance of a JavaFx UI?
9. Test Classes and methods build up into what larger testing structure?