Question 1

It is illegal to declare the same variable name more than once within a block.

Accepted Answer

A) True 
 B)False

Question 2

An alternative to importing a class is to import an entire package of classes.

Accepted Answer

A) True 
 B)False

Question 3

int aMethod(int x)
void aMethod(int x)
In the above statements, explain why these two methods are illegal in the class.

Accepted Answer

Methods with identical names that have i

Question 4

The ____ package contains frequently used classes and is implicitly imported into Java programs.

Accepted Answer

A)  javax.swing 
B)  java.lang 
C)  JOptionPane 
D)  System 
A)  javax.swing 
B)  java.lang 
C)  JOptionPane 
D)  System

Question 5

Another name for a nonstatic member class is a(n) ____.

Accepted Answer

A)  static member class 
B)  inner class 
C)  local class 
D)  anonymous class 
A)  static member class 
B)  inner class 
C)  local class 
D)  anonymous class

Question 6

A variable comes into existence, or ____, when you declare it.

Accepted Answer

A)  goes out of scope 
B)  comes into scope 
C)  overrides scope 
D)  is referenced 
A)  goes out of scope 
B)  comes into scope 
C)  overrides scope 
D)  is referenced

Question 7

A(n) ____________________ is simply a folder that provides a convenient grouping for classes.

Accepted Answer

package
li

Question 8

When an object of one class is a data field within another class, they are related by ____.

Accepted Answer

A)  extension 
B)  scope 
C)  composition 
D)  is-a 
A)  extension 
B)  scope 
C)  composition 
D)  is-a

Question 9

When you ____________________ methods, you risk creating an ambiguous situation-one in which the compiler cannot determine which method to use.

Accepted Answer

The answer of When you ____________________ methods, you risk creating...

Question 10

The compiler determines which version of a method to call by the method's ____.

Accepted Answer

A)  name 
B)  signature 
C)  output 
D)  constructor 
A)  name 
B)  signature 
C)  output 
D)  constructor

Question 11

____ variables are variables that are shared by every instantiation of a class.

Accepted Answer

A)  Integer 
B)  Instance 
C)  Class 
D)  Time 
A)  Integer 
B)  Instance 
C)  Class 
D)  Time

Question 12

____ involves using one term to indicate diverse meanings, or writing multiple methods with the same name but with different parameter lists.

Accepted Answer

A)  Referencing 
B)  Overloading 
C)  Nesting 
D)  Signing 
A)  Referencing 
B)  Overloading 
C)  Nesting 
D)  Signing

Question 13

What does a programmer need to know in order to use two variables with the same name in a class?

Accepted Answer

Although you cannot declare a variable t

Question 14

public class StudentScores
{
private int ScoreOne;
private int ScoreTwo;
private int ScoreThree;
____
____
____
____
____
}
Suppose you want to assign all students a score of 95 on the third test. Using the code above, fill in the blank lines provided to create a two-parameter constructor that will require parameters for the first and second test score data fields, and will assign a value of 95 to the third test score data field. Be sure to include the necessary brackets and semicolons.

Accepted Answer

Within the constructor for this class, t

Question 15

Describe the purpose of creating and calling constructors that receive parameters. Why would you overload constructors?

Accepted Answer

You use the this reference from one cons

Question 16

Explain the java.lang package and why it is important. How does this relate to the java.lang.Math class?

Accepted Answer

When passing parameters to a method, Jav

Question 17

When you overload a Java method, you write multiple methods with a shared name.

Accepted Answer

A) True 
 B)False

Question 18

Match each term with the correct statement below.
-A variable comes into existence

Accepted Answer

A) optional classes 
B) instance variables 
C) comes into scope 
D) class methods 
E) overloading
F)Math class
G)redeclaring a variable
H)GregorianCalendar
I)constant 
A) optional classes 
B) instance variables 
C) comes into scope 
D) class methods 
E) overloading
F)Math class
G)redeclaring a variable
H)GregorianCalendar
I)constant

Question 19

Describe how a programmer can make a variable in or out of scope.

Accepted Answer

When you declare a variable within a blo

Question 20

You can use the asterisk (*) as a ____, which indicates that it can be replaced by any set of characters.

Accepted Answer

A)  magic number 
B)  wildcard symbol 
C)  character symbol 
D)  placeholder 
A)  magic number 
B)  wildcard symbol 
C)  character symbol 
D)  placeholder

It is illegal to declare the same variable name more than once within a block.

An alternative to importing a class is to import an entire package of classes.

int aMethod(int x) void aMethod(int x) In the above statements, explain why these two methods are illegal in the class.

The ____ package contains frequently used classes and is implicitly imported into Java programs.

Another name for a nonstatic member class is a(n) ____.

A variable comes into existence, or ____, when you declare it.

A(n) ____________________ is simply a folder that provides a convenient grouping for classes.

When an object of one class is a data field within another class, they are related by ____.

When you ____________________ methods, you risk creating an ambiguous situation-one in which the compiler cannot determine which method to use.

The compiler determines which version of a method to call by the method's ____.

____ variables are variables that are shared by every instantiation of a class.

____ involves using one term to indicate diverse meanings, or writing multiple methods with the same name but with different parameter lists.

What does a programmer need to know in order to use two variables with the same name in a class?

Describe the purpose of creating and calling constructors that receive parameters. Why would you overload constructors?

Explain the java.lang package and why it is important. How does this relate to the java.lang.Math class?

When you overload a Java method, you write multiple methods with a shared name.

Match each term with the correct statement below. -A variable comes into existence

Describe how a programmer can make a variable in or out of scope.

You can use the asterisk (*) as a ____, which indicates that it can be replaced by any set of characters.

Creating Java Programs

Using Data

Using Methods, Classes, and Objects

Making Decisions

Looping

Characters, Strings, and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Advanced Gui Topics

Graphics

Applets, Images, and Sound

Filters

Exam 4: More Object Concepts

It is illegal to declare the same variable name more than once within a block.

An alternative to importing a class is to import an entire package of classes.

int aMethod(int x) void aMethod(int x) In the above statements, explain why these two methods are illegal in the class.

The ____ package contains frequently used classes and is implicitly imported into Java programs.

Another name for a nonstatic member class is a(n) ____.

A variable comes into existence, or ____, when you declare it.

A(n) ____________________ is simply a folder that provides a convenient grouping for classes.

When an object of one class is a data field within another class, they are related by ____.

When you ____________________ methods, you risk creating an ambiguous situation-one in which the compiler cannot determine which method to use.

The compiler determines which version of a method to call by the method's ____.

____ variables are variables that are shared by every instantiation of a class.

____ involves using one term to indicate diverse meanings, or writing multiple methods with the same name but with different parameter lists.

What does a programmer need to know in order to use two variables with the same name in a class?

Describe the purpose of creating and calling constructors that receive parameters. Why would you overload constructors?

Explain the java.lang package and why it is important. How does this relate to the java.lang.Math class?

When you overload a Java method, you write multiple methods with a shared name.

Match each term with the correct statement below. -A variable comes into existence

Describe how a programmer can make a variable in or out of scope.

You can use the asterisk (*) as a ____, which indicates that it can be replaced by any set of characters.

Creating Java Programs

Using Data

Using Methods, Classes, and Objects

Making Decisions

Looping

Characters, Strings, and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Advanced Gui Topics

Graphics

Applets, Images, and Sound

Filters