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import java.util.*;
public class LinkedListNode
{
//local constants
//local variables
//BEGIN CODE
public UserData userInfo = new UserData("no data","no data",0);
public LinkedListNode link;
}//END LinkedListNode
public class UserData
{
//local constants
//local variables
String firstName;
String lastName;
float userScore;
/**********************************************************
* Method Name : Constructor
* Author : Chad Johnson
* Date : Mar 05, 2013
* Course/Section : CSC112 - section number
* Program Description: This method will initialize all the
* data that the StudentDriver class will keep track of.
*
* BEGIN StudentDriver
* END StudentDriver
**********************************************************/
public UserData(String inFirstName, String inLastName, float inUserScore)
{
//local constants
//local variables
//Declarations
firstName = inFirstName;
lastName = inLastName;
userScore = inUserScore;
} //end main method
/**********************************************************
* Method Name : toString
* Author : Ryan Peters
* Date : Feb 11, 2013
* Course/Section : CSC112 - section number
* Program Description: This method will returns values to the main
*
* BEGIN toString
*
* END toString
**********************************************************/
public String toString()
{
//local constants
//local variables
return firstName +" "+ lastName +" "+ userScore+"\n";
}
} //end Lab03
import java.util.*;
public class UserDriver
{
/**********************************************************
* Method Name : Main
* Author : Chad Johnson
* Date : Feb 11, 2013
* Course/Section : CSC112 - section number
* Program Description: This method will take data from the
* user, store it in its own data element(that being UserData)
* and that will be added to a Linked List. The user will be
* any part of the Linked List.
*
*
* BEGIN main
* ud.menu();
* WHILE(option isn't quit)
* IF(option is addData)
* prompt user for which data
* add data to linked List and move pointer in list
* ELSEIF(option is display)
* IF(data has been entered)
* display allData until the linked list is null
* ELSE
* tell user no data was entered
* ENDIF
* ENDIF
* ud.menu();
* ENDWHILE
* END main
**********************************************************/
public static void main(String args[])
{
//local constants
final String QUIT = "-1";
final String ADD_DATA = "1";
final String DISPLAY = "2";
final String DELETE = "3";
//local variables
String firstName, lastName, option;
float score;
boolean dataEntered;
LinkedListNode head = null, curr, prev;
UserData userInfo = new UserData("no data2","no data2",0);
UserDriver ud = new UserDriver();
Library myLib = new Library();
//BEGIN MAIN METHOD~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
curr = head;
dataEntered = false;
ud.menu();
option = Keyboard.readString();
myLib.clrscr();
while(!option.equalsIgnoreCase(QUIT))
{
if(option.equalsIgnoreCase(ADD_DATA))
{
//prompt user for info
System.out.print(" Enter First Name: ");
firstName = Keyboard.readString();
System.out.print(" Enter Last Name: ");
lastName = Keyboard.readString();
System.out.print(" Enter User Score: ");
score = Keyboard.readFloat();
//gets info from user, puts it into data class, and points to next node
userInfo = new UserData(firstName, lastName, score);
curr.userInfo = userInfo;
prev = curr;
curr = curr.link;
dataEntered = true;
}
else if(option.equalsIgnoreCase(DISPLAY))
{
//checks if info has been entered yet
if(dataEntered == true)
{
curr = head;
while(curr != null)
{
System.out.println(" User Info: " + curr.userInfo);
curr = curr.link;
}//end while
}
else
{
System.out.println(" No Data Entered");
}//end if
}//end if
ud.menu();
option = Keyboard.readString();
}//end while
} //end main method
public void menu()
{
System.out.println(" [1] Enter UserData");
System.out.println(" [2] Display UserData");
System.out.println(" [3] Delete UserData");
System.out.println(" [-1] Quit");
System.out.print( " User Input: ");
}//end menu method
} //end UserDriver
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