Question 1

It is not necessary to create an instance of the Math class because the constants and methods of the class are ____.

Accepted Answer

A)  void 
B)  final 
C)  static 
D)  public 
A)  void 
B)  final 
C)  static 
D)  public

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

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 4

When calling this() from a constructor, it must be the ____ statement within the constructor.

Accepted Answer

A)  first 
B)  ending 
C)  second 
D)  indented 
A)  first 
B)  ending 
C)  second 
D)  indented

Question 5

Match between columns
                        Premises: Portion of a program where you can refer to a variable

Accepted Answer

The Answer of shadowing and package and constant and NaN is...

Question 6

When an application contains just one version of a method, you can call the method using a(n) ____ of the correct data type.

Accepted Answer

A)  parameter 
B)  scope 
C)  output 
D)  constructor 
A)  parameter 
B)  scope 
C)  output 
D)  constructor

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

Match between columns
                        Premises: A variable comes into existence

Accepted Answer

The Answer of nested and NaN and comes into scope is...

Question 9

When you write your own constructors, you cannot write versions that receive parameters.

Accepted Answer

A) True 
 B)False

Question 10

Explain and describe the this reference. How is the this reference used in each of the above methods?

Accepted Answer

this is a reserved word in Java. The ref

Question 11

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

Accepted Answer

A)  use static variables in 
B)  use class variables in 
C)  finalize 
D)  overload 
A)  use static variables in 
B)  use class variables in 
C)  finalize 
D)  overload

Question 12

In the above code, what would happen if calculateInterest was passed the values of 100 for the bal and .10 for the interest rate? What would happen if calculateInterest was passed the values of 100 for the bal and 10 for the interest rate? Why is it a problem when these values are passed to the calculateInterest method, and what would be a possible solution to fix the problem?

Accepted Answer

When you overload a Java method, multipl

Question 13

Match between columns
                        Premises: Describes the relationship between classes when an object of one class is a data field within another class

Accepted Answer

The Answer of optional classes and constant and nested and is...

Question 14

If you want all objects to share a single nonchanging value, then the field is static and ______.

Accepted Answer

A)  end 
B)  final 
C)  permanent 
D)  class 
A)  end 
B)  final 
C)  permanent 
D)  class

Question 15

Match between columns
                        Premises: An inner block is completely contained within an outer block

Accepted Answer

The Answer of enumeration and scope level and overloading and is...

Question 16

Match between columns
                        Premises: No object associated with them

Accepted Answer

The Answer of Math class and constant and shadowing and is...

Question 17

____ are local classes that have no identifier.

Accepted Answer

A)  Anonymous classes 
B)   Nonstatic member classes 
C)  Local classes 
D)  static member classes 
A)  Anonymous classes 
B)   Nonstatic member classes 
C)  Local classes 
D)  static member classes

Question 18

public class StudentScores 
{ 
   private int ScoreOne; 
   private int ScoreTwo; 
   private int ScoreThree; 
____ 
____ 
____ 
____ 
____ 
} 
Using the code above, fill in the blank lines provided to create a constructor that will require parameters for the three score data fields. Be sure to include the necessary brackets and semicolons.

Accepted Answer

public StudentScores(int first

Question 19

Describe how a Java variable comes into and out of scope.

Accepted Answer

In Java, a variable comes into

Question 20

You can use ____ arguments to initialize field values, but you can also use arguments for any other purpose.

Accepted Answer

A)  object 
B)  constructor 
C)  data 
D)  field 
A)  object 
B)  constructor 
C)  data 
D)  field

It is not necessary to create an instance of the Math class because the constants and methods of the class are ____.

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

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

When calling this() from a constructor, it must be the ____ statement within the constructor.

When an application contains just one version of a method, you can call the method using a(n) ____ of the correct data type.

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

When you write your own constructors, you cannot write versions that receive parameters.

Explain and describe the this reference. How is the this reference used in each of the above methods?

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

If you want all objects to share a single nonchanging value, then the field is static and ______.

____ are local classes that have no identifier.

public class StudentScores { private int ScoreOne; private int ScoreTwo; private int ScoreThree; } Using the code above, fill in the blank lines provided to create a constructor that will require parameters for the three score data fields. Be sure to include the necessary brackets and semicolons.

Describe how a Java variable comes into and out of scope.

You can use ____ arguments to initialize field values, but you can also use arguments for any other purpose.

Creating Your First Java Classes

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

Using Javafx and Scene Builder

Filters

Exam 4: More Object Concepts

It is not necessary to create an instance of the Math class because the constants and methods of the class are ____.

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

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

When calling this() from a constructor, it must be the ____ statement within the constructor.

When an application contains just one version of a method, you can call the method using a(n) ____ of the correct data type.

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

When you write your own constructors, you cannot write versions that receive parameters.

Explain and describe the this reference. How is the this reference used in each of the above methods?

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

If you want all objects to share a single nonchanging value, then the field is static and ______.

____ are local classes that have no identifier.

Describe how a Java variable comes into and out of scope.

You can use ____ arguments to initialize field values, but you can also use arguments for any other purpose.

Creating Your First Java Classes

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

Using Javafx and Scene Builder

Filters