/*String to be split*/
String str = lastName;
String[] lastN;
/*Delimiter*/
String delimiter = "";
/*Split by spaces*/
lastN = str.split(delimiter)
/*store last substring which be last name*/
lastN=nameList[-1];
if (lastName.length() > 3 && idNumber.length() > 2)
{
return lastName[0-3] + idNumber[0-2];
}
else
{
return lastName + idNumber;
}
}