OCA / OCP Java SE 8 Programmer Practice Tests

Chapter 12Advanced Java Class Design

THE OCP EXAM TOPICS COVERED IN THIS PRACTICE TEST INCLUDE THE FOLLOWING:

• Advanced Java Class
  • Develop code that uses abstract classes and methods
  • Develop code that uses the final keyword
  • Create inner classes including static inner class, local class, nested class, and anonymous inner class
  • Use enumerated types including methods, and constructors in an enum type
  • Develop code that declares, implements and/or extends interfaces and use the @Override annotation
  • Create and use Lambda expressions

1. Which of the following is required for all valid lambda expressions?

   1. ()
   2. ->
   3. {}
   4. Parameter data type(s)