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Preparation on Exam(1z0-813) Lambda

Lambda

  • Define and write functional interfaces and describe the interfaces of the java.util.function package
  • Describe a lambda expression; refactor the code that uses an anonymous inner class to use a lambda expression; describe type inference and target typing
  • Develop code that uses the built-in interfaces included in the java.util.function package, such as Function, Consumer, Supplier, UnaryOperator, Predicate, and Optional APIs, including the primitive and binary variations of the interfaces


  • Develop code that uses a method reference, including refactoring a lambda expression to a method reference