/*
* How To Make Cell Phone Network Provider And PhoneNumber Generator Using Java And Netbeans 8.2 (GUI Application)
* https://mauricemuteti.info/how-to-make-cell-phone-network-provider-and-phonenumber-generator-using-java-and-netbeans-8-2-gui-application/
*/
package cellphonenetworkproviderandphonenumbergenerationjava;
import java.util.ArrayList;
import java.util.Random;
import javax.swing.JOptionPane;
/**
*
* @author HP
*/
public class CellPhoneNetworkProviderAndPhoneNumberGenerationDriver {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
//Storing cell Phone Network Provider In String Array.
String[] cellPhoneNetworkProviders = new String[]{"CELL C", "VODACOM", "MTN"};
// cellPhoneNetworkProviders[0] = "CELL C";
// cellPhoneNetworkProviders[1] = "VODACOM";
// cellPhoneNetworkProviders[2] = "MTN";
//String Arrays.
String[] employees = new String[3];
String[] phoneNumner = new String[3];
String[] networkProvider = new String[3];
//Creating Employee Object.
Employee employee = null;
//Creating Employee ArrayList.
ArrayList<Employee> emps = new ArrayList<>();
//Creating x integer variable.
int x = 0;
//While Loop.
while (x < 3) {
String randomlyGeneratedCellPhoneNetworkProvider = getRandomNetworkProvider(cellPhoneNetworkProviders);
employees[x] = JOptionPane.showInputDialog("Enter Name : ");
networkProvider[x] = randomlyGeneratedCellPhoneNetworkProvider;
phoneNumner[x] = getPhone(randomlyGeneratedCellPhoneNetworkProvider);
//Initializing employee object and passing data using parameterized constructor.
employee = new Employee(employees[x], networkProvider[x], phoneNumner[x]);
//Adding employees to the arraylist.
emps.add(employee);
//Incrementing variable x counter variable.
x++;
}
//Creating Empty Output String variable.
String output = "";
//Displaying all employees data using for loop.
for (Employee emp : emps) {
//Appending output with employee data.
output += emp.getName() + " Will Be On the " + emp.getCellPhoneNetworkProvider() + " Network With Phonenumber " + emp.getCellPhoneNumber() + "\n";
}
//JOptionPane Dialog box output.
JOptionPane.showMessageDialog(null, output);
}
/**
* Method for Generating phone number based on CellPhoneNetworkProvider.
*
* @param randomlyGeneratedCellPhoneNetworkProvider
* @return
*/
public static String getPhone(String randomlyGeneratedCellPhoneNetworkProvider) {
String phoneNumber = "";
switch (randomlyGeneratedCellPhoneNetworkProvider) {
//Case CELL C
case "CELL C":
phoneNumber = "084 " + getRandomThreePhoneNumbers() + " - (" + getRandomFourPhoneNumbers() + ")";
break;
//Case VODACOM
case "VODACOM":
phoneNumber = "072 " + getRandomThreePhoneNumbers() + " - (" + getRandomFourPhoneNumbers() + ")";
break;
//Case MTN
case "MTN":
phoneNumber = "083 " + getRandomThreePhoneNumbers() + " - (" + getRandomFourPhoneNumbers() + ")";
break;
}
return phoneNumber;
}
/**
* Method For Randomly picking an element(NetworkProvider) from an array.
*
* @param array
* @return
*/
public static String getRandomNetworkProvider(String[] array) {
int random = new Random().nextInt(array.length);
return array[random];
}
/**
* Method For Generating random three numbers.
*
* @return
*/
public static int getRandomThreePhoneNumbers() {
// Creating and initializing a Random object.
Random random = new Random();
// generate a random integer from 0 to 899, then add 100
int x = random.nextInt(900) + 100;
return x;
}
/**
* Method For Generating random four numbers.
*
* @return
*/
public static int getRandomFourPhoneNumbers() {
//Creating and initializing a Random object.
Random random = new Random();
// generate a random integer from 0 to 8999, then add 1000.
int x = random.nextInt(9000) + 1000;
return x;
}
}
Employee.java
/*
* How To Make Cell Phone Network Provider And PhoneNumber Generator Using Java And Netbeans 8.2 (GUI Application)
* https://mauricemuteti.info/how-to-make-cell-phone-network-provider-and-phonenumber-generator-using-java-and-netbeans-8-2-gui-application/
*/
package cellphonenetworkproviderandphonenumbergenerationjava;
/**
*
* @author HP
*/
public class Employee {
//Instance variable.
private String name;
private String cellPhoneNetworkProvider;
private String cellPhoneNumber;
/**
*
*/
public Employee() {
}
/**
* Constructor With Parameters.
*
* @param name
* @param cellPhoneNetworkProvider
* @param cellPhoneNumber
*/
public Employee(String name, String cellPhoneNetworkProvider, String cellPhoneNumber) {
this.name = name;
this.cellPhoneNetworkProvider = cellPhoneNetworkProvider;
this.cellPhoneNumber = cellPhoneNumber;
}
/**
* Get the value of cellPhoneNumber
*
* @return the value of cellPhoneNumber
*/
public String getCellPhoneNumber() {
return cellPhoneNumber;
}
/**
* Set the value of cellPhoneNumber
*
* @param cellPhoneNumber new value of cellPhoneNumber
*/
public void setCellPhoneNumber(String cellPhoneNumber) {
this.cellPhoneNumber = cellPhoneNumber;
}
/**
* Get the value of cellPhoneNetworkProvider
*
* @return the value of cellPhoneNetworkProvider
*/
public String getCellPhoneNetworkProvider() {
return cellPhoneNetworkProvider;
}
/**
* Set the value of cellPhoneNetworkProvider
*
* @param cellPhoneNetworkProvider new value of cellPhoneNetworkProvider
*/
public void setCellPhoneNetworkProvider(String cellPhoneNetworkProvider) {
this.cellPhoneNetworkProvider = cellPhoneNetworkProvider;
}
/**
* Get the value of name
*
* @return the value of name
*/
public String getName() {
return name;
}
/**
* Set the value of name
*
* @param name new value of name
*/
public void setName(String name) {
this.name = name;
}
@Override
public String toString() {
return "Employee{" + "name=" + name + ", cellPhoneNetworkProvider=" + cellPhoneNetworkProvider + ", cellPhoneNumber=" + cellPhoneNumber + '}';
}
}
