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Download Java SE 11 Developer Exam Dumps

NEW QUESTION 22
Given TripleThis.java:

Compiling TripleThis.java gives this compiler warning:
Note: TripleThis.java uses unchecked or unsafe operations.
Which two replacements done together remove this compiler warning?

• A. Replace line 9 with function<Integer>, Integer> = X -> { return (integer) x * 3; }.
• B. Replace line 12 with public static void printValue function<Integer> f, int num) {.
• C. Replace line 12 with public static int printValue function<Integer, Integer>, f, T num {.
• D. Replace line 9 with function<Integer> tripler = x-> - { return (Integer) X * 3 ; }.
• E. Replace line 12 with public static <T> void printValue (Function<T, T> f, T num ) {,

Answer: C,D

NEW QUESTION 23
Given TripleThis.java:

Compiling TripleThis.java gives this compiler warning:
Note: TripleThis.java uses unchecked or unsafe operations.
Which two replacements done together remove this compiler warning?

• A. Replace line 9 with function<Integer>, Integer> = X -> { return (integer) x * 3; }.
• B. Replace line 12 with public static void printValue function<Integer> f, int num) {.
• C. Replace line 12 with public static int printValue function<Integer, Integer>, f, T num {.
• D. Replace line 9 with function<Integer> tripler = x-> - { return (Integer) X * 3 ; }.
• E. Replace line 12 with public static <T> void printValue (Function<T, T> f, T num ) {,

Answer: C,D

NEW QUESTION 24
Given:
jdeps -jdkinternals C:\workspace4\SimpleSecurity\jar\classes.jar
Which describes the expected output?

• A. jdeps lists the module dependencies and the package names of all referenced JDK internal APIs. If any are found, the suggested replacements are output in the console.
• B. The -jdkinternals option analyzes all classes in the .jar for class-level dependencies on JDK internal APIs. If any are found, the results with suggested replacements are output in the console.
• C. The -jdkinternals option analyzes all classes in the .jar and prints all class-level dependencies.
• D. jdeps outputs an error message that the -jdkinternals option requires either the -summary or the - verbose options to output to the console.

Answer: A

Explanation:
Explanation
-jdkinternals option analyzes all classes in the .jar for class-level dependencies on JDK internal APIs. If any are found, the results with suggested replacements are output in the console.

NEW QUESTION 25
Given:

What is the result?

• A. Map: 0 Keys: 0 Values: 0
• B. Map: 4 Keys: 4 Values: 4
• C. The compilation fails.
• D. Map: 0 Keys: 4 Values: 4
• E. Map: 4 Keys: 0 Values: 0

Answer: E

Explanation:

NEW QUESTION 26
Given:

Which three actions implement Java SE security guidelines? (Choose three.)

• A. Change the getNames() method name to get$Names().
• B. Change line 3 to private Secret(String[] names) {.
• C. Change line 7 to return names.clone();.
• D. Change line 2 to protected volatile String[] names;.
• E. Change line 4 to this.names = names.clone();.
• F. Change line 2 to private final String[] names;.
• G. Change line 6 to public synchronized String[] getNames() {.

Answer: B,D,F

NEW QUESTION 27
......