4 Written Questions

1. involves using one term to indicate diverse meanings, or writing multiple methods with the same name but with different arguments.
2. attempt to declare a variable twice—an illegal action.
3. a type of nested class that has access to all static methods of its top-level class.
4. a library of classes.

4 Multiple Choice Questions

1. a variable takes precedence over another variable with the same name.
   1. Overrides
   2. Overloading
   3. Package
   4. Reference
2. a reference to an object that is passed to any object's nonstatic class method.
   1. Scope
   2. this reference
   3. Overrides
   4. Reference
3. nested classes that require an instance.
   1. Optional classes
   2. static member class
   3. Top-level class
   4. Nonstatic member classes
4. the portion of a program within which you can refer to the variable.
   1. Reference
   2. Overrides
   3. Scope
   4. Package

4 True/False Questions

1. Optional classes → reside in packages that must be explicitly imported into your programs.

   True        False

2. Wildcard symbol → a variable takes precedence over another variable with the same name.

   True        False

3. Reference → a reference to an object that is passed to any object's nonstatic class method.

   True        False

4. Top-level class → the containing class in nested classes.

   True        False