Java Programs Made Easy

Q)...validate the ip address in the form a.b.c.d
   where a,b,c,d must be between 0and 255
   if validated return 1 else return 2

1. package Set1;
2. import java.util.*;
3. public class ClassSet35 {
4.  public static void main(String[] args) {
5.   String ipAddress="010.230.110.160";
6.      boolean b=validateIpAddress(ipAddress);
7.      if(b==true)
8.       System.out.println("valid ipAddress");
9.      else
10.       System.out.println("not a valid ipAddress");
11.  }
12.  public static boolean validateIpAddress(String ipAddress) {
13.   boolean b1=false;
14.   StringTokenizer t=new StringTokenizer(ipAddress,".");
15.   int a=Integer.parseInt(t.nextToken());
16.   int b=Integer.parseInt(t.nextToken());
17.   int c=Integer.parseInt(t.nextToken());
18.   int d=Integer.parseInt(t.nextToken());
19.   if((a>=0 && a<=255)&&(b>=0 && b<=255)&&(c>=0 && c<=255)&&(d>=0 && d<=255))
20.    b1=true;
21.   return b1;
22.  }
23. }