Oracle Java Certification: 3. Methods and Inheritance

Take a deep dive into methods and inheritance, two key concepts in object-oriented design, as you prepare to take and pass the Java SE 8 Programmer I exam.

Introduction

• Methods and inheritance for the Java OCP test
• Exercise file setup

1. Methods

• Arguments and return values of methods
• Method overloading
• Static methods and fields
• Pass by value vs. by reference

2. Inheritance

• Method access modifiers
• Inheritance and polymorphism
• Using super and this to reference objects and constructors

3. Abstract Classes and Interfaces

• Abstract classes and interfaces
• Type casting on object references

Conclusion

• Next steps