token.txt

import java.util.Scanner;
import java.util.StringTokenizer;
class Customer{
string name;
string dob;
public void read(){
System.out.println("enter customer name:");
Scanner sc=new Scanner(System.in);
name=sc.next();
System.out.println("enter customer DOB(dd/mm/yyyy:");
dob=sc.next();
String datePattern="\\d{2}/\\d{2}/\\d{4}";
while(!(dob.matches(datePattern))){
System.out.println("please enter the date in dd/mm/yyyy format!");
dob=sc.next();
}
}
public void display(){
StringTokenizer st=new StringTokenizer(dob,"/");
String[]seq=new String[10];
int i;
System.out.println("customer name and DOB is:"+name);
for(i=0;i<3;i++){
System.out.print(","+st.nextToken());
}
System.out.println("\n");
}
public static void main(String[]args){
Customer c1=new Customer();
c1.read();
c1.display();
}
}