Problem Formulation Definition: Polymorphism is the ability of an object to take

Question

Problem Formulation

Definition: Polymorphism is the ability of an object to take on many forms. The most common use of polymorphism in OOP occurs when a parent class reference is used to refer to a child class object. Any Java object that can pass more than one IS-A test is considered to be polymorphic.

This time your task is to extend Assets application even further to implement the following two features:

User interface that would allow creation of various Asset objects (of classes defined in A8, i.e. Switch, Server, Router, etc) by means of using menu with predefined actions and user input;

Building up collection of Assets where all assets are linked with respect to their child-parent relationship.

The first feature assumes creation of a two-level menu, with the first level being responsible for collection manipulation actions, for example:

1. Add a new asset
2. Remove an existing asset
3. Display an existing asset
4. Quit

Note: Each menu item processed by a separate method of the Driver class. The second level would depend on which action has been selected in the first level menu. For example, adding of an asset might be associated with the following menu:

1. Specify type of asset to be entered
2. (Re-)Run type-specific asset addition process
3. Go to the previous menu

Notes: Specification of asset type has to be performed with user input validation, i.e. only supported asset types have to be allowed. Asset addition process assumes displaying of a set of asset type-specific prompts that would allow user to populate all required asset attributes. For example, consider the following interactive session (user input is emphasized with italic font shape) for server-type asset:

Enter ID of the asset (or "quit" to go to the previous menu): 105
Enter Name of the asset (or "quit" to go to the previous menu): ESXi-25
Enter Vendor of the asset (or "quit" to go to the previous menu): HP
Enter Model of the asset (or "quit" to go to the previous menu): Proliant ML350 G6
Enter S/N of the asset (or "quit" to go to the previous menu): USE3256V23
Enter ID of the parent asset or -1 if asset doesn't have a parent (or "quit" to go to the previous menu): -1
Enter the type operating system running on the server: Vmware ESXi v6.0 U2
Enter the number of installed NICs: 3
Is this server virtualized [yes/no] (or "quit" to go to the previous menu): no

The last 3 questions are highlighted in blue to emphasize that they are only asked for server-type assets. After answering all 9 questions, the second-level menu has to be redisplayed to allow user to make corrections (if needed) or jump to the upper level menu.

The second feature assumes storing all entered assets in a collection where child-parent relationship is used to construct a  two-level tree of all assets:

Assets listed on the parent level do not have parents but may have children

Assets listed on the child level are associated with the same parent.

Here is an example of such tree:

Asset{ID=101, type=SERVER, name='ESXi-25', vendor='HP', model='Proliant ML350 G6', sn='USE3256V23', PID=-1}
Asset{ID=501, type=PSU, name='Primary PSU of ESXi-25', vendor='HP', model='HSTNS-PL18', sn='1245002933', PID=101}
Asset{ID=502, type=PSU, name='Secondary PSU of ESXi-25', vendor='HP', model='HSTNS-PL18', sn='1245002940', PID=101}
Asset{ID=201, type=SWITCH, name='Main switch', vendor='Cisco', model='C2960S-48LPS-L', sn='FOC1512Z0KJ', PID=-1}

Please see my code so far.

Asset.java

import java.util.*;
import java.io.*;

public class Asset
{
// defining private attributes
   private String type;
   private int ID;
   private String name;
   private String serial;
   private int PID;

   // default constructor
   public Asset()
{
       this.type = "";
       this.ID = 0;
       this.name = "";
       this.serial = "";
       this.PID = -1; // Asset needs to be assigned a parent else it gets a parent id value of -1
   }

public Asset(String type, int ID, String name, String serial, int PID){
this.type = type;
       this.ID = ID;
       this.name = name;
       this.serial = serial;
       this.PID = PID; // Asset needs to be assigned a parent else it gets a parent id value of -1
}

// Setter method for type
   public void setType(String type)
{
       this.type = type;
   }

// Setter method for ID
   public void setId(int id)
{
       this.ID = id;
   }
  
// Setter method for name
   public void setName(String name)
{
       this.name = name;
   }

// Setter method for serial
   public void setSerial(String serial)
{
       this.serial = serial;
   }

// Setter method for PID
   public void setPID (int pid)
{
       this.PID = pid;
   }

// Getter method for type
   public String getType()
{
       return this.type;
   }

// Getter method for id
   public int getId()
{
       return this.ID;
   }

// Getter method for name
   public String getName()
{
       return this.name;
   }

// Getter method for serial
   public String getSerial()
{
       return this.serial;
   }

// Getter method for PID
   public int getPID()
{
       return this.PID;
   }

// Method to return the Asset details
@Override
   public String toString()
{
       String str = "Type: " + this.type + " " +
       "ID: " + this.ID + " "+
       "Name: " + this.name+ " "+
       "Serial: " + this.serial+ " " +
       "PID: " + this.PID + " " ;

       return str;
   }
}

Switch.java

import java.util.*;
import java.io.*;

public class Switch extends Asset
{
// Defining attributes
int numOf_100M; // number of 100Mb ethernet interfaces
int numOf_1G; // number of 1Gb ethernet interfaces
int numOf_10G; // number of 10Gb ethernet interfaces
int numOf_SFP; // number of SFP modules
String OS; // operating system. including vendor, version, and other details
String level; // one from the following list "L2", "L3", "L4"

// Default constructor
public Switch(String type, int ID, String name, String serial, int PID, int numOf_100M, int numOf_1G, int numOf_10G, int numOf_SFP, String oS, String level)
{
super(type, ID, name, serial, PID);
this.numOf_100M = numOf_100M;
this.numOf_1G = numOf_1G;
this.numOf_10G = numOf_10G;
this.numOf_SFP = numOf_SFP;
OS = oS;
this.level = level;
}

// Setter method for number of 100Mb ethernet interfaces
public void setNumOf_100M(int numOf_100M)
{
this.numOf_100M = numOf_100M;
}

// Setter method for number of 1Gb ethernet interfaces
public void setNumOf_1G(int numOf_1G)
{
this.numOf_1G = numOf_1G;
}

// Setter method for number of 10Gb ethernet interfaces
public void setNumOf_10G(int numOf_10G)
{
this.numOf_10G = numOf_10G;
}

// Setter method for number of SFPs
public void setNumOf_SFP(int numOf_SFP)
{
this.numOf_SFP = numOf_SFP;
}

// Setter method for OS
public void setOS(String oS)
{
OS = oS;
}

// Setter method for level
public void setLevel(String level)
{
this.level = level;
}

// Getter method for number of 100Mb ethernet interfaces
public int getNumOf_100M()
{
return numOf_100M;
}

// Getter method for number of 10Gb ethernet interfaces
public int getNumOf_1G()
{
return numOf_1G;
}

// Getter method for number of 10Gb ethernet interfaces
public int getNumOf_10G()
{
return numOf_10G;
}

// Getter method for number of SFPs
public int getNumOf_SFP()
{
return numOf_SFP;
}

// Getter method for OS
public String getOS()
{
return OS;
}

// Getter method for level
public String getLevel()
{
return level;
}

// Method overrides or adds details to the switch asset
@Override
public String toString()
{
return "Switch: numOf_100M: " + numOf_100M +
" numOf_1G: " + numOf_1G +
" numOf_10G: " + numOf_10G +
" numOf_SFP: " + numOf_SFP +
" OS: " + OS +
" level: " + level + " " + super.toString();
}

}

Router.java

import java.util.*;
import java.io.*;

public class Router extends Asset
{
//Defining attributes
String application; // one from the following list "Home", "Core", "Infrastructure", etc
int numOfNICs; // number of network interfaces
String OS; // operating system. including vendor, version, and other details
boolean hasConsole; // flag that indicates presence of management console

// Default constructor
public Router(String type, int ID, String name, String serial, int PID, String application, int numOfNICs, String oS, boolean hasConsole)
{

super(type, ID, name, serial, PID);
this.application = application;
this.numOfNICs = numOfNICs;
OS = oS;
this.hasConsole = hasConsole;
}

// Setter method for application
public void setApplication(String application)
{
this.application = application;
}

// Setter method for number of NICs
public void setNumOfNICs(int numOfNICs)
{
this.numOfNICs = numOfNICs;
}

// Setter method for OS
public void setOS(String oS)
{
OS = oS;
}

// Setter method for hasConsole
public void setHasConsole(boolean hasConsole)
{
this.hasConsole = hasConsole;
}

// Getter method for application
public String getApplication()
{
return application;
}

// Getter method for number of NICs
public int getNumOfNICs()
{
return numOfNICs;
}

// Getter method for OS
public String getOS()
{
return OS;
}

// Getter method for hasConsole
public boolean isHasConsole()
{
return hasConsole;
}

// Method overrides or adds details to the route asset
@Override
public String toString()
{
return "Router: Application: " + application +
" numOfNICs: " + numOfNICs +
" OS: " + OS +
" hasConsole: " + hasConsole + " " + super.toString();
}
}

Server.java

import java.util.*;
import java.io.*;

public class Server extends Asset
{
//Defining attributes
String OS; // same as with the Router
int NumOfNICs; // same as with the Router
boolean isVirtualized; // flag that shows whether or not this server is a Virtual Machine running on some virtualization platform
  
// Default constructor
public Server(String type, int ID, String name, String serial, int PID, String oS, int numOfNICs, boolean isVirtualized)
{
super(type, ID, name, serial, PID);
OS = oS;
NumOfNICs = numOfNICs;
this.isVirtualized = isVirtualized;
}


// Setter method for OS
public void setOS(String oS)
{
OS = oS;
}

// Getter method for OS
public String getOS()
{
return OS;
}

// Setter method for number of NICs
public void setNumOfNICs(int numOfNICs)
{
NumOfNICs = numOfNICs;
}

// Getter method for number of NICs
public int getNumOfNICs()
{
return NumOfNICs;
}

// Setter method for is virtualized?
public void setVirtualized(boolean isVirtualized)
{
this.isVirtualized = isVirtualized;
}

// Getter method for is virtualized?
public boolean isVirtualized()
{
return isVirtualized;
}

// Method overrides or adds details to the server asset
@Override
public String toString()
{
return "Server: OS: " + OS +
" NumOfNICs: " + NumOfNICs +
" isVirtualized: " + isVirtualized + " " + super.toString();
}
}

Driver.java

import java.util.*;
import java.io.*;

public class Driver
{
public static void main(String[] args)
{

// Stores Server1 asset
Asset server1 = new Server("Data Server", 1002, "SkyWalker Server","WF25D785FC", 100, "Windows NT", 20, true);
server1.setId(200); ///changing the id

// Prints Server1 asset
System.out.println(server1.toString());

// Stores Server2 asset
Asset server2 = new Server("Web Server", 1003, "Juniper Server","WF85G359IC", 100, "Oracle Linux 7", 10, true);
server2.setId(201); ///changing the id

// Prints Server1 asset
System.out.println(server2.toString());

// Stores Router2 asset
Asset router2 = new Router("Smart WiFi Dual Band Gigabit Router", 9856, "NETGEAR Nighthawk X4S - AC2600", "SNR25OP984NJ", -1, "Infrastructure", 2, "Nas OS", true);

// Prints Router2 asset
System.out.println(router2.toString());

// Stores Switch asset
Asset Switch = new Switch("Fast Ethernet Smart Managed Switch", 4823, "NETGEAR ProSAFE FS526T", "SNR57OC458GL", -1, 20, 21, 25, 40, "Windows NT", "L3");

// Prints Switch asset
System.out.println(Switch.toString());
}
}

Explanation / Answer

Asset.java

import java.util.*;
import java.io.*;
public class Asset
{
// defining private attributes
private String type;
private int ID;
private String name;
private String serial;
private int PID;
private String vendor;
private String model;
private String SN;
// default constructor
public Asset()
{
this.type = "";
this.ID = 0;
this.name = "";
this.serial = "";
this.PID = -1; // Asset needs to be assigned a parent else it gets a parent id value of -1
this.vendor = "";
this.model = "";
this.SN = "";
}
public Asset(String type, int ID, String name, String serial, int PID, String vendor, String model, String SN){
this.type = type;
this.ID = ID;
this.name = name;
this.serial = serial;
this.PID = PID; // Asset needs to be assigned a parent else it gets a parent id value of -1
this.vendor = vendor;
this.model = model;
this.SN = SN;
}
// Setter method for type
public void setType(String type)
{
this.type = type;
}
// Setter method for ID
public void setId(int id)
{
this.ID = id;
}
  
// Setter method for name
public void setName(String name)
{
this.name = name;
}

// Setter method for serial
public void setSerial(String serial)
{
this.serial = serial;
}

// Setter method for PID
public void setPID (int pid)
{
this.PID = pid;
}

// Setter method for Vendor
public void setVendor (String vendor)
{
this.vendor = vendor;
}
// Setter method for Model
public void setModel (String model)
{
this.model = model;
}

// Setter method for SN
public void setSN (String SN)
{
this.SN = SN;
}
// Getter method for type
public String getType()
{
return this.type;
}
// Getter method for id
public int getId()
{
return this.ID;
}
// Getter method for name
public String getName()
{
return this.name;
}
// Getter method for serial
public String getSerial()
{
return this.serial;
}
// Getter method for PID
public int getPID()
{
return this.PID;
}

// Getter method for Vendor
public String getVendor()
{
return this.vendor;
}

public String getModel()
{
return this.model;
}

public String getSN()
{
return this.SN;
}
// Method to return the Asset details
@Override
public String toString()
{
String str = "Type: " + this.type + " " +
"ID: " + this.ID + " "+
"Name: " + this.name+ " "+
"Serial: " + this.serial+ " " +
"PID: " + this.PID + " " +
"Vendor: " + this.vendor + " " +
"Model: " + this.model + " " +
"SN: " + this.SN + " " ;
return str;
}
}

Switch.java

import java.util.*;
import java.io.*;
public class Switch extends Asset
{
// Defining attributes
int numOf_100M; // number of 100Mb ethernet interfaces
int numOf_1G; // number of 1Gb ethernet interfaces
int numOf_10G; // number of 10Gb ethernet interfaces
int numOf_SFP; // number of SFP modules
String OS; // operating system. including vendor, version, and other details
String level; // one from the following list "L2", "L3", "L4"

// Default constructor

public Switch(){
  
}

public Switch(String type, int ID, String name, String serial, int PID, String vendor, String model, String SN, int numOf_100M, int numOf_1G, int numOf_10G, int numOf_SFP, String oS, String level)
{
super(type, ID, name, serial, PID, vendor, model, SN);
this.numOf_100M = numOf_100M;
this.numOf_1G = numOf_1G;
this.numOf_10G = numOf_10G;
this.numOf_SFP = numOf_SFP;
OS = oS;
this.level = level;
}

// Setter method for number of 100Mb ethernet interfaces
public void setNumOf_100M(int numOf_100M)
{
this.numOf_100M = numOf_100M;
}

// Setter method for number of 1Gb ethernet interfaces
public void setNumOf_1G(int numOf_1G)
{
this.numOf_1G = numOf_1G;
}

// Setter method for number of 10Gb ethernet interfaces
public void setNumOf_10G(int numOf_10G)
{
this.numOf_10G = numOf_10G;
}

// Setter method for number of SFPs
public void setNumOf_SFP(int numOf_SFP)
{
this.numOf_SFP = numOf_SFP;
}

// Setter method for OS
public void setOS(String oS)
{
OS = oS;
}

// Setter method for level
public void setLevel(String level)
{
this.level = level;
}

// Getter method for number of 100Mb ethernet interfaces
public int getNumOf_100M()
{
return numOf_100M;
}

// Getter method for number of 10Gb ethernet interfaces
public int getNumOf_1G()
{
return numOf_1G;
}
// Getter method for number of 10Gb ethernet interfaces
public int getNumOf_10G()
{
return numOf_10G;
}

// Getter method for number of SFPs
public int getNumOf_SFP()
{
return numOf_SFP;
}
// Getter method for OS
public String getOS()
{
return OS;
}
// Getter method for level
public String getLevel()
{
return level;
}
// Method overrides or adds details to the switch asset
@Override
public String toString()
{
return "Switch: numOf_100M: " + numOf_100M +
" numOf_1G: " + numOf_1G +
" numOf_10G: " + numOf_10G +
" numOf_SFP: " + numOf_SFP +
" OS: " + OS +
" level: " + level + " " + super.toString();
}
}

Router.java

import java.util.*;
import java.io.*;
public class Router extends Asset
{
//Defining attributes
String application; // one from the following list "Home", "Core", "Infrastructure", etc
int numOfNICs; // number of network interfaces
String OS; // operating system. including vendor, version, and other details
boolean hasConsole; // flag that indicates presence of management console
// Default constructor

public Router(){
  
}
public Router(String type, int ID, String name, String serial, int PID, String vendor, String model, String SN, String application, int numOfNICs, String oS, boolean hasConsole)
{

super(type, ID, name, serial, PID, vendor, model, SN);
this.application = application;
this.numOfNICs = numOfNICs;
OS = oS;
this.hasConsole = hasConsole;
}
// Setter method for application
public void setApplication(String application)
{
this.application = application;
}
// Setter method for number of NICs
public void setNumOfNICs(int numOfNICs)
{
this.numOfNICs = numOfNICs;
}

// Setter method for OS
public void setOS(String oS)
{
OS = oS;
}
// Setter method for hasConsole
public void setHasConsole(boolean hasConsole)
{
this.hasConsole = hasConsole;
}

// Getter method for application
public String getApplication()
{
return application;
}

// Getter method for number of NICs
public int getNumOfNICs()
{
return numOfNICs;
}

// Getter method for OS
public String getOS()
{
return OS;
}

// Getter method for hasConsole
public boolean isHasConsole()
{
return hasConsole;
}

// Method overrides or adds details to the route asset
@Override
public String toString()
{
return "Router: Application: " + application +
" numOfNICs: " + numOfNICs +
" OS: " + OS +
" hasConsole: " + hasConsole + " " + super.toString();
}
}

Server.java

import java.util.*;
import java.io.*;
public class Server extends Asset
{
//Defining attributes
String OS; // same as with the Router
int NumOfNICs; // same as with the Router
boolean isVirtualized; // flag that shows whether or not this server is a Virtual Machine running on some virtualization platform

public Server(){

}
  
// Default constructor
public Server(String type, int ID, String name, String serial, int PID, String vendor, String model, String SN, String oS, int numOfNICs, boolean isVirtualized)
{
super(type, ID, name, serial, PID, vendor, model, SN);
OS = oS;
NumOfNICs = numOfNICs;
this.isVirtualized = isVirtualized;
}


// Setter method for OS
public void setOS(String oS)
{
OS = oS;
}

// Getter method for OS
public String getOS()
{
return OS;
}
// Setter method for number of NICs
public void setNumOfNICs(int numOfNICs)
{
NumOfNICs = numOfNICs;
}

// Getter method for number of NICs
public int getNumOfNICs()
{
return NumOfNICs;
}

// Setter method for is virtualized?
public void setVirtualized(boolean isVirtualized)
{
this.isVirtualized = isVirtualized;
}

// Getter method for is virtualized?
public boolean isVirtualized()
{
return isVirtualized;
}
// Method overrides or adds details to the server asset
@Override
public String toString()
{
return "Server: OS: " + OS +
" NumOfNICs: " + NumOfNICs +
" isVirtualized: " + isVirtualized + " " + super.toString();
}
}

Driver.java

import java.util.*;
import java.io.*;
public class Driver
{

public static final List<Server> serverList = new ArrayList<Server>();
public static final List<Switch> switchList = new ArrayList<Switch>();
public static final List<Router> routerList = new ArrayList<Router>();

public static void main(String[] args)
{
  
try
{
// Declare variable for user's option and defaulting to 0
int menuOption = 0;
do
{
// Setting menuOption equal to return value from showMenu();
menuOption = showMenu();

// Switching on the value given from user
switch (menuOption)
{

case 1:
add();
break;
case 2:
remove();
break;
case 4:
System.out.println("Quitting Program...");
break;
default:
System.out.println("Sorry, please enter valid Option");

}// End of switch statement

}
while (menuOption != 4);

// Exiting message when user decides to quit Program
System.out.println("Thanks for using this Program...");

}
catch (Exception ex)
{
// Error Message
System.out.println("Sorry problem occured within Program");
// flushing scanner
//scanner.next();
}
finally
{
// Ensuring that scanner will always be closed and cleaning up
// resources
//scanner.close();
}
}

public static int showMenu()
{

// Declaring var for user option and defaulting to 0
int option;
Scanner scanner = new Scanner(System.in);

// Printing menu to screen
System.out.println("Menu:");
System.out.println("1. Add a new asset");
System.out.println("2. Remove an existing asset");
System.out.println("4. Quit Program");

// Getting user option from above menu
System.out.println("Enter Option from above...");
option = scanner.nextInt();

return option;

}// End of showMenu

public static void add()
{
int menuOption_add = 0;
do
{
// Setting menuOption equal to return value from showMenu();
menuOption_add = showMenuAdd();

// Switching on the value given from user
switch (menuOption_add)
{

case 1:
addAsset();
break;
case 2:
System.out.println("Add asset again");
addAsset();
break;
case 3:
System.out.println("Quitting Addition of new asset...");
break;
default:
System.out.println("Sorry, please enter valid Option");

}// End of switch statement

}
while (menuOption_add != 3);

}

public static int showMenuAdd()
{
int option;
Scanner scanner = new Scanner(System.in);
System.out.println("Menu:");
System.out.println("1. Specify type of asset to be entered");
System.out.println("2. (Re-)Run type-specific asset addition process");
System.out.println("3. Go to the previous menu");
System.out.println("Enter Option from above...");
option = scanner.nextInt();

return option;

}

public static void addAsset()
{
String assetType;
String id = "";
String name = "";
String vendor = "";
String model = "";
String SN = "";
String PID = "";
String OS = "";
String NumOfNICs= "";
String isVirtualized = "";
Scanner inputID = new Scanner(System.in);
System.out.println("Please add an asset type ( Switch / Router / Server )");
assetType = inputID.nextLine();

if(assetType.equals("Server"))
{
addServer(inputID, id, name, vendor, model, SN, PID, OS, NumOfNICs, isVirtualized);

}

else if(assetType.equals("Switch"))
{
addSwitch(inputID, id, name, vendor, model, SN, PID);

}

else if(assetType.equals("Router"))
{
addRouter(inputID, id, name, vendor, model, SN, PID);

}

else
System.out.println("Please provide right asset type");

}

public static void remove(){

String id = "";
String assetType;

Scanner inputID = new Scanner(System.in);
System.out.println("Please remove an asset type ( Switch / Router / Server )");
assetType = inputID.nextLine();

if(assetType.equals("Server"))
{
removeServer(inputID, id);

}

else if(assetType.equals("Switch"))
{
removeSwitch(inputID, id);

}

else if(assetType.equals("Router"))
{
removeRouter(inputID, id);

}

else
System.out.println("Please provide right asset type");

}

public static void addServer(Scanner inputID, String id, String name, String vendor, String model, String SN, String PID, String OS, String NumOfNICs, String isVirtualized)
{
Server s = new Server();

System.out.println("Enter ID of the asset (or quit to go to the previous menu):");
id = inputID.nextLine();
if(!id.equals("quit"))
s.setId(Integer.parseInt(id));

System.out.println("Enter Name of the asset (or quit to go to the previous menu):");
name = inputID.nextLine();
if(!name.equals("quit"))
s.setName(name);

System.out.println("Enter Vendor of the asset (or quit to go to the previous menu): ");
vendor = inputID.nextLine();
if(!name.equals("quit"))
s.setVendor(vendor);

System.out.println("Enter Model of the asset (or quit to go to the previous menu): ");
model = inputID.nextLine();
if(!model.equals("quit"))
s.setModel(model);

System.out.println("Enter S/N of the asset (or quit to go to the previous menu): ");
SN = inputID.nextLine();
if(!SN.equals("quit"))
s.setSN(SN);

System.out.println("Enter ID of the parent asset or -1 if asset doesn't have a parent (or quit to go to the previous menu): ");
PID = inputID.nextLine();
if(!PID.equals("quit"))
s.setPID(Integer.parseInt(PID));

System.out.println("Enter the type operating system running on the server: ");
OS = inputID.nextLine();
if(!OS.equals("quit"))
s.setOS(OS);

System.out.println("Enter the number of installed NICs: ");
NumOfNICs = inputID.nextLine();
if(!NumOfNICs.equals("quit"))
s.setNumOfNICs(Integer.parseInt(NumOfNICs));

System.out.println("Is this server virtualized [yes/no] (or quit to go to the previous menu):");
isVirtualized = inputID.nextLine();
if(!isVirtualized.equals("quit"))
s.setVirtualized(Boolean.parseBoolean(isVirtualized));

serverList.add(s);

displayAssetServer(s);

}

public static void addSwitch(Scanner inputID, String id, String name, String vendor, String model, String SN, String PID)
{
Switch s = new Switch();

System.out.println("Enter ID of the asset (or quit to go to the previous menu):");
id = inputID.nextLine();
if(!id.equals("quit"))
s.setId(Integer.parseInt(id));

System.out.println("Enter Name of the asset (or quit to go to the previous menu):");
name = inputID.nextLine();
if(!name.equals("quit"))
s.setName(name);

System.out.println("Enter Vendor of the asset (or quit to go to the previous menu): ");
vendor = inputID.nextLine();
if(!name.equals("quit"))
s.setVendor(vendor);

System.out.println("Enter Model of the asset (or quit to go to the previous menu): ");
model = inputID.nextLine();
if(!model.equals("quit"))
s.setModel(model);

System.out.println("Enter S/N of the asset (or quit to go to the previous menu): ");
SN = inputID.nextLine();
if(!SN.equals("quit"))
s.setSN(SN);

System.out.println("Enter ID of the parent asset or -1 if asset doesn't have a parent (or quit to go to the previous menu): ");
PID = inputID.nextLine();
if(!PID.equals("quit"))
s.setPID(Integer.parseInt(PID));

switchList.add(s);

displayAssetSwitch(s);
}

public static void addRouter(Scanner inputID, String id, String name, String vendor, String model, String SN, String PID)
{
Router s = new Router();

System.out.println("Enter ID of the asset (or quit to go to the previous menu):");
id = inputID.nextLine();
if(!id.equals("quit"))
s.setId(Integer.parseInt(id));

System.out.println("Enter Name of the asset (or quit to go to the previous menu):");
name = inputID.nextLine();
if(!name.equals("quit"))
s.setName(name);

System.out.println("Enter Vendor of the asset (or quit to go to the previous menu): ");
vendor = inputID.nextLine();
if(!name.equals("quit"))
s.setVendor(vendor);

System.out.println("Enter Model of the asset (or quit to go to the previous menu): ");
model = inputID.nextLine();
if(!model.equals("quit"))
s.setModel(model);

System.out.println("Enter S/N of the asset (or quit to go to the previous menu): ");
SN = inputID.nextLine();
if(!SN.equals("quit"))
s.setSN(SN);

System.out.println("Enter ID of the parent asset or -1 if asset doesn't have a parent (or quit to go to the previous menu): ");
PID = inputID.nextLine();
if(!PID.equals("quit"))
s.setPID(Integer.parseInt(PID));

routerList.add(s);

displayAssetRouter(s);
}

public static void displayAssetServer(Server s)
{
System.out.println(s.toString());
}

public static void displayAssetSwitch(Switch s)
{
System.out.println(s.toString());
}

public static void displayAssetRouter(Router s)
{
System.out.println(s.toString());
}

public static void removeServer(Scanner inputID, String id)
{
Server s = new Server();

System.out.println("Enter ID of the asset (or quit to go to the previous menu):");
id = inputID.nextLine();
if(!id.equals("quit") && serverList.contains(id))
{
s.setId(0);
s.setPID(0);
s.setSN("");
s.setModel("");
s.setVendor("");
s.setName("");
s.setVirtualized(false);
s.setOS("");
s.setNumOfNICs(0);
displayAssetServer(s);
}
else
System.out.println("No ID is present for that server in the list");
  
}

public static void removeSwitch(Scanner inputID, String id)
{
Switch s = new Switch();

System.out.println("Enter ID of the asset (or quit to go to the previous menu):");
id = inputID.nextLine();
if(!id.equals("quit") && switchList.contains(id))
{
s.setId(0);
s.setPID(0);
s.setSN("");
s.setModel("");
s.setVendor("");
s.setName("");
displayAssetSwitch(s);
  
}
else
System.out.println("No ID is present for that switch in the list");
  
}

public static void removeRouter(Scanner inputID, String id)
{
Router s = new Router();

System.out.println("Enter ID of the asset (or quit to go to the previous menu):");
id = inputID.nextLine();
if(!id.equals("quit") && routerList.contains(id))
{
s.setId(0);
s.setPID(0);
s.setSN("");
s.setModel("");
s.setVendor("");
s.setName("");
displayAssetRouter(s);
  
}
else
System.out.println("No ID is present for that router in the list");

}

}

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