Question: lab 4 code: class AddressNode { public String name, cellPhone, email, degree; AddressNode next, previous; public AddressNode ( String name, String cellPhone, String email, String

"lab

4

code:

class AddressNode

{

public String name, cellPhone, email, degree; AddressNode next, previous; public AddressNode

(

String name, String cellPhone, String email, String degree

) {

this.name

=

name; this.cellPhone

=

cellPhone; this.email

=

email; this.degree

=

degree; this.next

=

null; this.previous

=

null;

}}

class AddressBook

{

private AddressNode head, tail; public AddressBook

() {

head

=

null; tail

=

null;

}

public void addAtHead

(

String name, String phone, String email, String degree

) {

AddressNode newNode

=

new AddressNode

(

name

,

phone, email, degree

)

; if

(

head

= =

null

) {

head

=

tail

=

newNode;

}

else

{

newNode.next

=

head; head.previous

=

newNode; head

=

newNode;

}}

public void addAtTail

(

String name, String phone, String email, String degree

) {

AddressNode newNode

=

new AddressNode

(

name

,

phone, email, degree

)

; if

(

head

= =

null

) {

head

=

tail

=

newNode;

}

else

{

newNode.previous

=

tail; tail.next

=

newNode; tail

=

newNode;

}}

public void removeFromHead

() {

(

head

= =

null

) {

System.out.println

(" "

Empty address book!""

)

; return;

}

(

head

= =

tail

)

head

=

tail

=

null; else

{

head

=

head.next; head.previous

=

null;

}}

public void removeFromTail

() {

(

head

= =

null

) {

System.out.println

(" "

Empty address book!""

)

; return;

}

(

head

= =

tail

)

head

=

tail

=

null; else

{

tail

=

tail.previous; tail.next

=

null;

}}

public void displayList

() {

AddressNode temp

=

head; if

(

head

= =

null

) {

System.out.println

(" "

Empty address book!""

)

; return;

}

while

(

temp

! =

null

) {

System.out.println

(" "

Name:

" " +

temp.name

+ " ",

Phone:

" " +

temp.cellPhone

+ " ",

Email:

" " +

temp.email

+ " ",

Degree:

" " +

temp.degree

)

; temp

=

temp.next;

}}}

Test Class: public class TestAddressBook

{

public static void main

(

String

[]

args

) {

AddressBook adBook

=

new AddressBook

()

; adBook.addAtHead

(" "

Fahad

" ", " " 0568799425 " ", " "

Fahad@alfaisal.edu"",

" "

MED

" ")

; adBook.addAtHead

(" "

Faisal

" ", " " 0557812669 " ", " "

Faisal@alfaisal.edu"",

" "

MED

" ")

; System.out.println

(" "

After adding two nodes

(

Fahad & Faisal

)

at the head:""

)

; adBook.displayList

()

; System.out.println

(" " = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = " ")

; adBook.addAtTail

(" "

Saud

" ", " " 055427758 " ", " "

Saud@alfaisal.edu"",

" "

" ")

; adBook.addAtTail

(" "

Ahmed

" ", " " 057895246 " ", " "

Ahmed@alfaisal.edu"",

" "

" ")

; System.out.println

(" "

After ad

7758

ding two nodes

(

Saud & Ahmed

)

at the tail:""

)

; adBook.displayList

()

; System.out.println

(" " = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = " ")

; adBook.removeFromHead

()

; System.out.println

(" "

After removing one node from the head:""

)

; adBook.displayList

()

; System.out.println

(" " = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = " ")

; adBook.removeFromTail

()

; System.out.println

(" "

After removing one node from the tail:""

)

; adBook.displayList

()

; System.out.println

(" " = =

16 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = " ")

;

}}

Based on the doubly linked list code created during lab

4 .

Create a doubly linked list based queue that does each of the following:

1 .

Create an empty queue.

2 .

Add a String to the queue

3 .

Print the content of the queue.

4 .

Repeat steps

2

and

3

three times and observe the output check if your implementation is correct. Paste the screen shot of your program and output here:"

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

WHAT TO DO IS GIVEN CLEARLY IN THE IMAGES ATTACHED BELOW :- App.java :- package L05; /** * * @author user */ public class App { /** * @param args the command line arguments */ public static void...

App.java :- package L05; /** * * @author user */ public class App { /** * @param args the command line arguments */ public static void main(String[] args) { // TODO code application logic here double...

WHAT TO DO IS GIVEN CLEARLY IN THE IMAGES ATTACHED BELOW :- App.java :- package L05; /** * * @author user */ public class App { /** * @param args the command line arguments */ public static void...

You don't have to fix my code if you don't want to. Solving this assignment originally would be even more helpful, I'll adjust my own work to reflect your solution. (Nobody answered the first time...

I am using C # Microsoft Visual Studio This is what I need help with and my code is below it: Inheritance This LAB is in 2 parts: Part #1: Create the Person class first. Part #2: Modify the Student...

We will build a multi-class program, each class in its own source code file. All classes from this assignment should be created under the same Project in your IDE. 1. Update this code following the...

Create a new Java project in Eclipse, named according to the lab guidelines (mandatory guidelines of laboratories - available on the blackboard). For this lab, you may reuse your code from Lab 1, but...

//Lab 5: Inheritance import static org.junit.Assert.assertEquals; import static org.junit.Assert.fail; import java.util.ArrayList; import org.junit.Before; import org.junit.Test; public class...

I need help fixing the bugs in my java code, the problem is in bank.java and bankmenu.java in the bankmenu.java all the impelementation are giving me an rerror you can see the pic before you see the...

How do you write the code for mainDVDFile.java according the requirements below in Java? The TestObjectInputStream and OutputStream are sample code and does not match the requirements I need help...

5. In the chart below, give the formulas of any solid products formed when the so- dium salt of each of the anions in the far-left column is treated separately with (1) AgNO, and HNO, solutions, and...

Aspen Industries forecasts FCF of $42,604 in Year 1 and $45,823 in Year 2. After Year 2 FCF will grow at a constant rate of 3.8%. If Aspen's WACC (cost of capital) is 8.0%, what is the current...

Determine the effect on the target sales volume and the target sales value when the approved budgeted forecasted metrics are implemented to realise the targeted profit.

please help The entry to close Expenses would be F inley Company End-of-Period Spreadsheet [ogorne Statement CCount Title ash ccounts Receivable upplies utpment Depr ceounts Payable ages Payable...