Review Questions | A Programmer[ap]s Guide to Java Certification

4.17

Given the following definition of a class, which fields are accessible from outside the package com.corporation.project ?

 package com.corporation.project; public class MyClass {               int i;     public    int j;     protected int k;     private   int l; }

Select the two correct answers.

4.18

How restrictive is the default accessibility compared to public , protected , and private accessibility?

Select the one correct answer.

Less restrictive than public .
More restrictive than public , but less restrictive than protected .
More restrictive than protected , but less restrictive than private .
More restrictive than private .
Less restrictive than protected from within a package, and more restrictive than protected from outside a package.

4.19

Which statement is true about accessibility of members ?

Select the one correct answer.

Private members are always accessible from within the same package.
Private members can only be accessed by code from within the class of the member.
A member with default accessibility can be accessed by any subclass of the class in which it is defined.
Private members cannot be accessed at all.
Package/default accessibility for a member can be declared using the keyword default .