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NEW QUESTION 25 Which three annotation uses are valid? (Choose three.)

• A. Function<String, String> func = (var @NonNull x) > x.toUpperCase();
• B. Function<String, String> func = (@NonNull x) > x.toUpperCase();
• C. var v = "Hello" + (@Interned) "World"
• D. Function<String, String> func = (@NonNull var x) > x.toUpperCase();
• E. var myString = (@NonNull String) str;
• F. var obj = new @Interned MyObject();

Answer: A,B,F   NEW QUESTION 26 Given: What is the result?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: A   NEW QUESTION 27 Given: It is required that if p instanceof Pairthen p.isValid()returns true. Which is the smallest set of visibility changes to insure this requirement is met?

• A. setLeftand setRightmust be protected.
• B. leftand rightmust be private.
• C. isValidmust be public.
• D. left, right, setLeft, and setRightmust be private.

Answer: C   NEW QUESTION 28 Given the code fragment: var pool = Executors.newFixedThreadPool(5); Future outcome = pool.submit(() > 1); Which type of lambda expression is passed into submit()?

• A. java.util.function.Function
• B. java.util.concurrent.Callable
• C. java.util.function.Predicate
• D. java.lang.Runnable

Answer: B   NEW QUESTION 29 ......