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OCA Java SE 7 Programmer Study Guide (Exam 1Z0-803) by Budi Kurniawan

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Appendix A

Mock Exam

The following are questions for the mock exam. Each question may have more than one correct answer. Each of the questions also shows which exam topic it relates to.

Question 1 (7.1. Implement inheritance)

The keyword extends can be used

A. to create a subclass from another class

B. to create a subinterface from another interface

C. to make a class implement an interface

D. to make an interface implement another interface

Question 2 (6.4. Differentiate between default and user defined constructors)

Given the following class

class RocketScience {
    public String description;
    public String getDescription() {
       return description;
    }
}

Which of the following statements are correct?

A. The class will not compile because it ...

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