Q 1 - Which of the following method is correct about List in Java 9?

A - For List interfaces, of(...) method is overloaded to have 0 to 10 parameters.

B - For List interfaces, of(...) method is overloaded to have var arg as parameter.

C - Both of the above.

D - None of the above.

Q 2 - Which of the following method is correct about Set in Java 9?

A - For Set interfaces, of(...) method is overloaded to have 0 to 10 parameters.

B - For Set interfaces, of(...) method is overloaded to have var arg as parameter.

C - Both of the above.

D - None of the above.

Q 3 - Which of the following method is correct about Map in Java 9?

A - For Map interfaces, of(...) method is overloaded to have 0 to 10 parameters.

B - For Map interfaces, ofEntries(...) method is having var arg as parameter.

C - Both of the above.

D - None of the above.

Q 4 - Which of the following is a not valid member of interface till Java 7?

A - Constant variable

B - Abstract method

C - Default method.

D - All of the above.

Q 5 - Which of the following is a not valid member of interface till Java 7?

A - Constant variable

B - Abstract method

C - Static method.

D - All of the above.

Q 6 - Which of the following is a not valid member of interface till Java 8?

A - Private method

B - Default method

C - Static method.

D - All of the above.

Q 7 - Which of the following is a not valid member of interface till Java 8?

A - Private static method

B - Default method

C - Static method

D - All of the above.

Q 8 - Which of the following is a not valid member of interface till Java 8?

A - Private static methods

B - Default method

C - Static methods

D - All of the above.

Q 9 - Which of the following is a valid member of interface in Java 9?

A - Private static methods

B - private methods

C - Both of the above

D - None of the above

Q 10 - Which of the following is a correct statement about Process API in Java 9?

A - In Java 9 Process API which is responsible to control and manage operating system processes has been improved considerably.

B - ProcessHandle Class now provides process's native process ID, start time, accumulated CPU time, arguments, command, user, parent process, and descendants.

C - Both of the above

D - None of the above

Q 11 - Which of the following is a correct statement about Process API in Java 9?

A - ProcessHandle class also provides method to check processes' liveness and to destroy processes.

B - ProcessHandle has onExit method, the CompletableFuture class can perform action asynchronously when process exits.

C - Both of the above

D - None of the above

Q 12 - Which of the following is a correct statement about takeWhile() method of Stream class in Java 9?

A - takeWhile method takes all the values until the predicate returns false.

B - It returns, in case of ordered stream, a stream consisting of the longest prefix of elements taken from this stream matching the given predicate.

C - Both of the above

D - None of the above

Q 13 - Which of the following is a correct statement about dropWhile() method of Stream class in Java 9?

A - dropWhile method throw away all the values at the start until the predicate returns true.

B - It returns, in case of ordered stream, a stream consisting of the remaining elements of this stream after dropping the longest prefix of elements matching the given predicate.

C - Both of the above

D - None of the above

Q 14 - Which of the following is a correct statement about iterate() method of Stream class in Java 9?

A - iterate method now has hasNext predicate as parameter.

B - hasNext predicate stops the loop once hasNext predicate returns false.

C - Both of the above

D - None of the above

Q 15 - Which of the following is a correct statement about ofNullable() method of Stream class in Java 9?

A - ofNullable method is introduced to prevent NullPointerExceptions and to avoid null checks for streams.

B - This method returns a sequential Stream containing single element, if non-null, otherwise returns an empty Stream.

C - Both of the above

D - None of the above