1z0-808 Free Practice Test

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

Given the code fragment:
< ><>>< >

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

Correct Answer: CDE

Given the code fragment:
< ><>>< >

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

Correct Answer: A

Which three statements are true about the structure of a Java class? (Choose three.)

1. A. A public class must have a main method.
2. B. A class can have only one private constructors.
3. C. A method can have the same name as a field.
4. D. A class can have overloaded static methods.
5. E. The methods are mandatory components of a class.
6. F. The fields need not be initialized before use.

Correct Answer: ACE

Given:
<>

1. A. AB
2. B. AC
3. C. CC
4. D. A ClassCastException is thrown only at line n1.
5. E. A ClassCastException is thrown only at line n2.

Correct Answer: D