OCA / OCP Java SE 8 Programmer Practice Tests

Chapter 14Lambda Built-in Functional Interfaces

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

• Lambda Built-in Functional Interfaces
  • Use the built-in interfaces included in the java.util.function package such as Predicate, Consumer, Function, and Supplier
  • Develop code that uses primitive versions of functional interfaces
  • Develop code that uses binary versions of functional interfaces
  • Develop code that uses the UnaryOperator interface

 

1. Fill in the blanks: The____________ functional interface does not take any inputs, while the____________ functional interface does not return any data.

   1. IntConsumer, LongSupplier ...