i have been asked to make phone book console application in java using collections/data structure
i have done some of it. i am having problem that i have to store firstname,lastname,cellnumber,emailaddress etc in such a way into collection so that if some one wants to search phone number from phonebook by first name "hassan" then program should return lastname,cellnumber,emailaddress for all first name which are"Hassan" .
my code goes here
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package projectdimensional;
import java.util.HashMap;
import java.util.ArrayList;
import java.util.Vector;
import java.io.*;
import java.util.Iterator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.Collections;
import java.util.Set;
import java.util.TreeSet;
/**
*
* @author Faraz
*/
public class Main {
public boolean isValidEmailAddress(String emailAddress) {
String expression = "^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[A-Z]{2,4}$";
CharSequence inputStr = emailAddress;
Pattern pattern = Pattern.compile(expression, Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(inputStr);
return matcher.matches();
}
public static boolean hasNumber(String s) throws IOException {
Main m = new Main();
for (int j = 0; j < s.length(); j++) {
if (Character.isDigit(s.charAt(j))) {
System.out.print("String Contains Digit");
System.out.println("Not Allowed");
System.exit(1);
}
}
return true;
// return false;
}
public static boolean validateMobilePhone( String phone )throws IOException
{
if(phone.matches( "[0-9]\\d{2}-[0-9]\\d{3}-\\d{7}" ))
{
//System.out.println("MobileNumber");
}
else
{
System.out.println("Enter Number In right Formate i.e 092-0321-55279976");
System.exit(1);
}
return true;
}
public static boolean validateLandinePhone(String phone)throws IOException
{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int y;
if(phone.matches( "[0-9]\\d{2}-\\d{7}" ))
{
// System.out.println("PhoneNumber");
}
else if(phone.contains(null))
{
System.out.println("Number Not Entered!! Do you wanna allow it null?? Enter 1 for yes 2 to No");
//y=Integer.parseInt(br.readLine());
System.exit(1);
}
else
{
System.out.println("Enter Number In right Formate i.e 051-55279976");
}
return true;
}
/**
* @param args the command line arguments
*/
public static void main(String[] args)
{
String firstName, lastName, middleName, homeAddress, emailAddress,mobileNumber, residentialNumber;
int ke;
Main m = new Main();
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
ArrayList Key = new ArrayList();
ArrayList Data = new ArrayList();
// ArrayList Data2 = new ArrayList();
HashMap map = new HashMap();
HashMap map1 = new HashMap();
map1.put("1", "faraz");
// Iterator itra = map.keySet().iterator();
// Iterator itr = map.values().iterator();
try {
System.out.println("How Much Contact Numbers You Want To ADD");
int num = Integer.parseInt(br.readLine());
for (int i = 0; i < num; i++) {
System.out.println("Enter Sequence Id");
ke = Integer.parseInt(br.readLine());
if (Key.contains(ke))
{
System.err.print("Record Already Found at this position");
System.exit(1);
}
else
{
Key.add(ke);
}
Data.add("Details of ID"+"("+ke+")");
System.out.println("Enter FirstName");
firstName = br.readLine();
hasNumber(firstName);
Data.add(firstName);
System.out.println("Enter LastName");
lastName = br.readLine();
hasNumber(lastName);
Data.add(lastName);
System.out.println("Enter MiddleName");
middleName = br.readLine();
hasNumber(middleName);
Data.add(middleName);
System.out.println("Enter ResidentialNumber");
residentialNumber=br.readLine();
if(!(residentialNumber.isEmpty()))
{
validateLandinePhone(residentialNumber);
Data.add(residentialNumber);
}
System.out.println("Enter MobileNumber");
mobileNumber = br.readLine();
if(!(mobileNumber.isEmpty()))
{
validateMobilePhone(mobileNumber);
Data.add(mobileNumber);
}
System.out.println("Enter OfficeNumber");
String officeNumbere=br.readLine();
if(!(officeNumbere.isEmpty()))
{
validateLandinePhone(officeNumbere);
Data.add(officeNumbere);
}
System.out.println("Enter HomeAddress");
homeAddress = br.readLine();
Data.add(homeAddress);
System.out.println("Enter Email");
emailAddress = br.readLine();
if(!(emailAddress.isEmpty()))
{
if (m.isValidEmailAddress(emailAddress)) {
//System.out.println(emailAddress + "");
Data.add(emailAddress);
}
else
{
System.out.println(emailAddress + " is an invalid email address.");
System.out.println("Run Application Again ");
System.exit(1);
}
}
Data.add("!!!!!NEXTRECORD!!!!!");
}
map.put(Key,Data);
System.out.println("Data" + map.values());
System.out.println("Enter 1 to Search Record by first name");
System.out.println("Enter 1 to Search Record by last name");
System.out.println("Enter 3 to View Record");
int option=Integer.parseInt(br.readLine());
if(option==1)
{
System.out.println("Enter first name");
String temp=br.readLine();
for(int i=0;i<map.size();i++)
{
if(map.get(i).toString().equals(temp))
{
System.out.println("Value" + map.get(i)+"At position" + i);
}
}
}
System.out.println("For Keys" + map.keySet());
} catch (Exception e)
{
System.out.println("Invalid Entry Please Run Application Again");
}
}
}Kindly let me know how to fix it.
