Given:

What is the result?

1. A. IT:null
2. B. A NullPointerException is thrown at run time.
3. C. A compilation error occurs.
4. D. IT:0.0

Correct Answer: D

Given the code fragment:
List str = Arrays.asList (“my”, “pen”, “is”, “your’, “pen”); Predicate test = s -> {
int i = 0;
boolean result = s.contains (“pen”);
System.out.print(i++) + “:”); return result;
};
str.stream()
.filter(test)
.findFirst()
.i fPresent(System.out ::print); What is the result?

1. A. 0 : 0 : pen
2. B. 0 : 1 : pen
3. C. 0 : 0 : 0 : 0 : 0 : pen
4. D. 0 : 1 : 2 : 3 : 4 :
5. E. A compilation error occurs.

Correct Answer: A

Given the code fragments:

and

What is the result?

1. A. FranceOptional[NotFound]
2. B. Optional [France] Optional [NotFound]
3. C. Optional[France] Not Found
4. D. FranceNot Found

Correct Answer: D

In 2015, daylight saving time in New York, USA, begins on March 8th at 2:00 AM. As a result, 2:00 AM becomes 3:00 AM.
Given the code fragment:

Which is the result?

1. A. 3:00 – difference: 2
2. B. 2:00 – difference: 1
3. C. 4:00 – difference: 3
4. D. 4:00 – difference: 2

Correct Answer: B

Given the code fragment:

What is the result ?

1. A. [X][X, X][X, X, X][X, X, X, X]
2. B. [X, X]
3. C. [X][X, X][X, X, X]
4. D. [X, X][X, X, X, X]

Correct Answer: A