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Given the code fragment: Which two code fragments, when inserted at line n1independently, result in the output PEEK: Unix? (Choose two.)
Correct Answer: D,E
Explanation/Reference: Explanation: The findXXX methods, FinFirst() and findAny, take no arguments and return an Optional object with the result, or an empty Optional if nothing is found. Incorrect Answers: A, B, C: XXXMatch methods. Take a Predicate and return a boolean if an element in the stream returns true by applying the Predicate. Reference: http://eherrera.net/ocpj8-notes/05-java-stream-api