A Programmer[ap]s Guide to Java Certification

Which statements are true?

Select the two correct answers.

1. In Java the extends clause is used to specify inheritance.

2. The subclass of a non- abstract class can be declared abstract .

3. All the members of the superclass are inherited by the subclass.

4. A final class can be abstract .

5. A class in which all the members are declared private , cannot be declared public .

Which statements are true?

Select the two correct answers.

1. Inheritance defines a has-a relationship between a superclass and its subclasses.

2. Every Java object has a public method named equals .

3. Every Java object has a public method named length .

4. A class can extend any number of other classes.

5. A non- final class can be extended by any number of classes.