OCP Oracle Certified Professional Java SE 17 Developer Study Guide

Chapter 3Making Decisions

OCP EXAM OBJECTIVES COVERED IN THIS CHAPTER:

• Controlling Program Flow
  • Create program flow control constructs including if/else, switch statements and expressions, loops, and break and continue statements
• Utilizing Java Object-Oriented Approach
  • Implement polymorphism and differentiate object type versus reference type. Perform type casting, identify object types using instanceof operator and pattern matching

Like many programming languages, Java is composed primarily of variables, operators, and statements put together in some logical order. In the last chapter, we covered how to create and manipulate variables. Writing software is about more than managing variables, though; it is about creating applications ...