OCP Oracle Certified Professional Java SE 11 Programmer II Study Guide

Chapter 3Generics and Collections

THE OCP EXAM TOPICS COVERED IN THIS CHAPTER INCLUDE THE FOLLOWING:

• Generics and Collections
  • Use wrapper classes, autoboxing and autounboxing
  • Create and use generic classes, methods with diamond notation and wildcards
  • Describe the Collections Framework and use key collection interfaces
  • Use Comparator and Comparable interfaces
  • Create and use convenience methods for collections
• Java Stream API
  • Use lambda expressions and method references

You learned the basics of the Java Collections Framework when studying for the 1Z0-815 exam, along with generics and the basics of sorting. We will review these topics while diving into them more deeply.

First, we will cover how to use method references. After ...