Given the code fragment:

What is the result?

1. A. Option A
2. B. Option B
3. C. Option C
4. D. Option D
5. E. Option E

Correct Answer: E

Which statement best describes encapsulation?

1. A. Encapsulation ensures that classes can be designed so that only certain fields and methods of an object are accessible from other objects.
2. B. Encapsulation ensures that classes can be designed so that their methods are inheritable.
3. C. Encapsulation ensures that classes can be designed with some fields and methods declared as abstract.
4. D. Encapsulation ensures that classes can be designed so that if a method has an argument MyType x, any subclass of MyType can be passed to that method.

Correct Answer: A

Which is true about the switch statement?

1. A. Its expression can evaluate to a collection of values.
2. B. The break statement, at the end of each case block, is optional.
3. C. Its case label literals can be changed at runtime.
4. D. It must contain the default section.

Correct Answer: B

Given the code fragment:

What is the result?

1. A. 1:2:3:4:5:
2. B. 1:2:3:
3. C. Compilation fails.
4. D. An ArrayOutOfBoundsException is thrown at runtime.

Correct Answer: A

Which three statements describe the object-oriented features of the Java language? (Choose three.)

1. A. Objects cannot be reused.
2. B. A subclass must override the methods from a superclass.
3. C. Objects can share behaviors with other objects.
4. D. A package must contain a main class.
5. E. Object is the root class of all other objects.
6. F. A main method must be declared in every class.

Correct Answer: BCF