Question 1

Mutator methods can return integer values indicating if the change of the instance variable was a success.

Accepted Answer

A) True 
 B)False

Question 2

In a method invocation,there must be exactly the same number of arguments in parentheses as there are formal parameters in the method definition heading.

Accepted Answer

A) True 
 B)False

Question 3

When you give a command to run a Java program,the runtime system invokes the class constructor.

Accepted Answer

A) True 
 B)False

Question 4

Method overloading is when two or more methods of the same class have the same name but differ in number or types of parameters.

Accepted Answer

A) True 
 B)False

Question 5

Write a method called Greeting that displays a personalized greeting given a first name.

Accepted Answer

/** method to display a person

Question 6

Write a Java method that returns the value of PI,where PI = 3.1415926535.

Accepted Answer

/** method that retu

Question 7

The modifier private means that an instance variable can be accessed by name outside of the class definition.

Accepted Answer

A) True 
 B)False

Question 8

An object of class A is an instance of class A.

Accepted Answer

A) True 
 B)False

Question 9

What is the purpose of the new operator?

Accepted Answer

The new operator is used to cr

Question 10

Write a method called isEqual that returns a Boolean value.The method compares two integers for equality.

Accepted Answer

/** method to compare to integ

Question 11

The new operator:

Accepted Answer

A) allocates memory 
B) is used to create an object of a class 
C) associates an object with a variable that names it. 
D) All of the above. 
A) allocates memory 
B) is used to create an object of a class 
C) associates an object with a variable that names it. 
D) All of the above.

Question 12

A variable whose meaning is confined to an object of a class is called:

Accepted Answer

A) instance variable 
B) local variable 
C) global variable 
D) none of the above 
A) instance variable 
B) local variable 
C) global variable 
D) none of the above

Question 13

Create a class named Appointment that contains instance variables startTime,endTime,dayOfWeek (valid values are Sunday through Saturday),and a date which consists of a month,day and year.All times should be in military time,therefore it is appropriate to use integers to represent the time.Create the appropriate accessor and mutator methods.

Accepted Answer

public class Appointment { private int s

Question 14

Discuss a situation in which it is appropriate to use the this parameter.

Accepted Answer

One common situation that requires the u

Question 15

A more eloquent approach in implementing mutator methods is to return a ________ value.

Accepted Answer

A) int 
B) char 
C) boolean 
D) double 
A) int 
B) char 
C) boolean 
D) double

Question 16

A set method is:

Accepted Answer

A) an accessor method 
B) a mutator method 
C) a recursive method 
D) none of the above 
A) an accessor method 
B) a mutator method 
C) a recursive method 
D) none of the above

Question 17

The parameter this refers to

Accepted Answer

A) instance variables 
B) local variables 
C) global variables 
D) the calling object 
A) instance variables 
B) local variables 
C) global variables 
D) the calling object

Question 18

When you want the parameters in a method to be the same as the instance variables you can use the _____ parameter.

Accepted Answer

A) String 
B) hidden 
C) default 
D) this 
A) String 
B) hidden 
C) default 
D) this

Question 19

Write preconditions and postconditions for the power method you wrote in question #4.

Accepted Answer

/** Precondition: All instance

Question 20

In Java,a block is delimited by:

Accepted Answer

A) ( ) 
B) /* */ 
C) " " 
D) { } 
A) ( ) 
B) /* */ 
C) " " 
D) { }

Mutator methods can return integer values indicating if the change of the instance variable was a success.

In a method invocation,there must be exactly the same number of arguments in parentheses as there are formal parameters in the method definition heading.

When you give a command to run a Java program,the runtime system invokes the class constructor.

Method overloading is when two or more methods of the same class have the same name but differ in number or types of parameters.

Write a method called Greeting that displays a personalized greeting given a first name.

Write a Java method that returns the value of PI,where PI = 3.1415926535.

The modifier private means that an instance variable can be accessed by name outside of the class definition.

An object of class A is an instance of class A.

What is the purpose of the new operator?

Write a method called isEqual that returns a Boolean value.The method compares two integers for equality.

The new operator:

A variable whose meaning is confined to an object of a class is called:

Discuss a situation in which it is appropriate to use the this parameter.

A more eloquent approach in implementing mutator methods is to return a ________ value.

A set method is:

The parameter this refers to

When you want the parameters in a method to be the same as the instance variables you can use the _____ parameter.

Write preconditions and postconditions for the power method you wrote in question #4.

In Java,a block is delimited by:

Getting Started

Console Input and Output

Flow of Control

Defining Classes Ii

Arrays

Inheritance

Console Input and Output

Exception Handling

File IO

Uml and Patterns

Interfaces and Inner Classes

Generics and the Arraylist Class

Linked Data Structures

Collections and Iterators

Swing I

Swing II

Java Never Ends

Recursion

Applets

Filters

Exam 4: Defining Classes I

Mutator methods can return integer values indicating if the change of the instance variable was a success.

In a method invocation,there must be exactly the same number of arguments in parentheses as there are formal parameters in the method definition heading.

When you give a command to run a Java program,the runtime system invokes the class constructor.

Method overloading is when two or more methods of the same class have the same name but differ in number or types of parameters.

Write a method called Greeting that displays a personalized greeting given a first name.

Write a Java method that returns the value of PI,where PI = 3.1415926535.

The modifier private means that an instance variable can be accessed by name outside of the class definition.

An object of class A is an instance of class A.

What is the purpose of the new operator?

Write a method called isEqual that returns a Boolean value.The method compares two integers for equality.

The new operator:

A variable whose meaning is confined to an object of a class is called:

Discuss a situation in which it is appropriate to use the this parameter.

A more eloquent approach in implementing mutator methods is to return a ________ value.

A set method is:

The parameter this refers to

When you want the parameters in a method to be the same as the instance variables you can use the _____ parameter.

Write preconditions and postconditions for the power method you wrote in question #4.

In Java,a block is delimited by:

Getting Started

Console Input and Output

Flow of Control

Defining Classes Ii

Arrays

Inheritance

Console Input and Output

Exception Handling

File IO

Uml and Patterns

Interfaces and Inner Classes

Generics and the Arraylist Class

Linked Data Structures

Collections and Iterators

Swing I

Swing II

Java Never Ends

Recursion

Applets

Filters