[PDF] ADVANCED JAVA - Princeton University

What is inheritance in Java?

In other words every class in java directly or indirectly inherits Object class. By means of inheritance a class gets all the public, protected properties and methods of the super class no matter which package the sub class is present in.

How to use multiple inheritance using interfaces in Java?

Here is the complete java program example of multiple inheritance using interfaces. Also, it will extend one class as extending one class in java is allowed. In this java program, Bird class will extend one class (Color) and use multiple inheritance properties by implementing 2 interfaces i.e. IFlyable and IEatable

What is implementation inheritance (subclassing)?

4 Implementation inheritance (subclassing). ?Define a new class (subclass) from another class (base class or superclass). ?The subclass inherits from the base class: – instance variables (state) – instance methods (behavior) ?The subclass can override instance methods in the base class (replacing with own versions).

Can we implement iterators in Java?

Two Java interfaces that allow a client to iterate over items in a collection without exposing its internal representation. This course. ?Yes: use iterators in client code. ?Yes: implement iterators (Assignment 2 only). 35 Stack stack = new Stack(); ... for (String s : stack) { ... © Copyright 2021 Robert Sedgewick and Kevin Wayne 36