Question 1

Application classes frequently instantiate objects that use the objects of other classes.

Accepted Answer

A) True 
 B)False

Question 2

Match between columns
                        Premises: Used to return a value back to the calling method

Accepted Answer

The Answer of instance variables and dead code and class is...

Question 3

What are the possible results if arguments to a method are passed in the wrong order?

Accepted Answer

If arguments to a method are passed in t

Question 4

A(n) ____ variable is known only within the boundaries of the method.

Accepted Answer

A)  method 
B)  local 
C)  double 
D)  instance 
A)  method 
B)  local 
C)  double 
D)  instance

Question 5

You can write your own constructor methods; but when you don't write a constructor method for a class object, Java writes one for you.

Accepted Answer

A) True 
 B)False

Question 6

Match between columns
                        Premises: Variables you declare within a class, but outside of any method

Accepted Answer

The Answer of method's signature and header and parameter type is...

Question 7

Write a valid class header with public access. Assign a valid identifier of your choice. Then write the body of the class that contains one data field named myPractice with a data type of double . Be sure to include any necessary curly braces and semicolons.

Accepted Answer

public class PublicC

Question 8

Match between columns
                        Premises: Classes that can be used as the basis for any other class

Accepted Answer

The Answer of dead code and header and static method is...

Question 9

____ is a principle of object-oriented programming that describes the encapsulation of method details within a class.

Accepted Answer

A)  An interface 
B)  A calling method 
C)  Implementation hiding 
D)  Instantiation 
A)  An interface 
B)  A calling method 
C)  Implementation hiding 
D)  Instantiation

Question 10

The interface is the part of a method that the method's client does not see.

Accepted Answer

A) True 
 B)False

Question 11

A major advantage of a method is that it is easily reusable. What does it mean to reuse a method and what are the advantages of doing so?

Accepted Answer

After a method is created, you

Question 12

Describe instantiation and how it relates to 'is-a relationships.'

Accepted Answer

Everything is an object, and every objec

Question 13

What is a method and how is one used?

Accepted Answer

A method is a program module that contai

Question 14

When an application is run, the method that must be executed first must be named ____.

Accepted Answer

A)  first() 
B)  void() 
C)  main() 
D)  final() 
A)  first() 
B)  void() 
C)  main() 
D)  final()

Question 15

Match between columns
                        Premises: Are called class methods

Accepted Answer

The Answer of accessor method and data fields and instance is...

Question 16

The arguments in a method call are often referred to as ____.

Accepted Answer

A)  constants 
B)  concept parameters 
C)  actual parameters 
D)  argument lists 
A)  constants 
B)  concept parameters 
C)  actual parameters 
D)  argument lists

Question 17

You can identify a class that is an application because it contains a public static void main() method.

Accepted Answer

A) True 
 B)False

Question 18

A method's identifier must be more than one word, must have embedded spaces, and can be a Java keyword.

Accepted Answer

A) True 
 B)False

Question 19

After an object has been instantiated, its methods can be accessed using the object's _____, a dot, and a method call.

Accepted Answer

A)  identifier 
B)  class 
C)  operator 
D)  output 
A)  identifier 
B)  class 
C)  operator 
D)  output

Question 20

____ parameters are variables in a method declaration that accept the values from the actual parameters.

Accepted Answer

A)  System 
B)  Formal 
C)  Public 
D)  Static 
A)  System 
B)  Formal 
C)  Public 
D)  Static

Application classes frequently instantiate objects that use the objects of other classes.

What are the possible results if arguments to a method are passed in the wrong order?

A(n) ____ variable is known only within the boundaries of the method.

You can write your own constructor methods; but when you don't write a constructor method for a class object, Java writes one for you.

Write a valid class header with public access. Assign a valid identifier of your choice. Then write the body of the class that contains one data field named myPractice with a data type of double . Be sure to include any necessary curly braces and semicolons.

____ is a principle of object-oriented programming that describes the encapsulation of method details within a class.

The interface is the part of a method that the method's client does not see.

A major advantage of a method is that it is easily reusable. What does it mean to reuse a method and what are the advantages of doing so?

Describe instantiation and how it relates to 'is-a relationships.'

What is a method and how is one used?

When an application is run, the method that must be executed first must be named ____.

The arguments in a method call are often referred to as ____.

You can identify a class that is an application because it contains a public static void main() method.

A method's identifier must be more than one word, must have embedded spaces, and can be a Java keyword.

After an object has been instantiated, its methods can be accessed using the object's _____, a dot, and a method call.

____ parameters are variables in a method declaration that accept the values from the actual parameters.

Creating Your First Java Classes

Using Data

More Object Concepts

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 3: Using Methods, Classes and Objects

Application classes frequently instantiate objects that use the objects of other classes.

What are the possible results if arguments to a method are passed in the wrong order?

A(n) ____ variable is known only within the boundaries of the method.

You can write your own constructor methods; but when you don't write a constructor method for a class object, Java writes one for you.

Write a valid class header with public access. Assign a valid identifier of your choice. Then write the body of the class that contains one data field named myPractice with a data type of double . Be sure to include any necessary curly braces and semicolons.

____ is a principle of object-oriented programming that describes the encapsulation of method details within a class.

The interface is the part of a method that the method's client does not see.

A major advantage of a method is that it is easily reusable. What does it mean to reuse a method and what are the advantages of doing so?

Describe instantiation and how it relates to 'is-a relationships.'

What is a method and how is one used?

When an application is run, the method that must be executed first must be named ____.

The arguments in a method call are often referred to as ____.

You can identify a class that is an application because it contains a public static void main() method.

A method's identifier must be more than one word, must have embedded spaces, and can be a Java keyword.

After an object has been instantiated, its methods can be accessed using the object's _____, a dot, and a method call.

____ parameters are variables in a method declaration that accept the values from the actual parameters.

Creating Your First Java Classes

Using Data

More Object Concepts

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