OCA Java SE 8 Programmer I Certification Guide

1.10. Answers to sample exam questions

Q1-1.

Given:

class EJava {
    //..code
}

Which of the following options will compile?

1. package java.oca.associate;
   class Guru {
       EJava eJava = new EJava();
   }

2. package java.oca;
   import EJava;
   class Guru {
       EJava eJava;
   }

3. package java.oca.*;
   import java.default.*;
   class Guru {
       EJava eJava;
   }

4. package java.oca.associate;
   import default.*;
   class Guru {
       default.EJava eJava;
   }

5. None of the above

Answer: e

Explanation: A class that isn’t defined in a package gets implicitly defined in Java’s default package. But such classes can’t be accessed by classes or interfaces, which are explicitly defined in a package.

Option a is incorrect. The EJava class isn’t defined in a package, so it can’t be accessed ...