Chapter Summary

The following information was included in this chapter:

• inheritance and its implications in OOP

• overriding and hiding of superclass members

• method overriding vs. method overloading

• usage of super reference to access superclass members

• usage of this() and super() calls, including constructor chaining

• interfaces and multiple interface inheritance

• subtype-supertype relationship

• conversions due to assigning, casting, and passing reference values

• identifying the type of objects using the instanceof operator

• polymorphism and dynamic method lookup

• inheritance (is-a) vs. aggregation (has-a)