package after every . String split_bip =

package codes;import java.util.Scanner;public class Subnet {        public static void main(String args){                Scanner sc = new Scanner(System.in);                System.out.print(“Enter the ip address: “);        String ip = sc.nextLine();                String split_ip = ip.split(“\.”); //SPlit the string after every .        String split_bip = new String4; //split binary ip        String bip = “”;                for(int i=0;i<4;i++){            split_bipi = appendZeros(Integer.toBinaryString(Integer.parseInt(split_ipi))); // "18" => 18 => 10010 => 00010010            bip += split_bipi;        }                System.out.println(“IP in binary is “+bip);                System.out.print(“Enter the number of addresses: “);        int n = sc.nextInt();                //Calculation of mask        int bits = (int)Math.ceil(Math.log(n)/Math.log(2));         //eg if address = 120, log 120/log 2 gives log to the base 2 => 6.9068, ceil gives us upper integer        System.out.println(“Number of bits required for address = “+bits);                int mask = 32-bits;        System.out.println(“The subnet mask is = “+mask);                //Calculation of first address and last address        int fbip = new int32;        for(int i=0; i<32;i++)             fbipi = (int)bip.charAt(i)-48; //convert cahracter 0,1 to integer 0,1                for (int i = 31; i > 31-bits; i–)            fbipi &= 0;                   //Get first address by ANDing last n bits with 0                String fip = {“”,””,””,””};                for(int i=0;i<32;i++)            fipi/8 = fipi/8+fbipi;                System.out.print("First address is = ");                for(int i=0;i<4;i++){            System.out.print(Integer.parseInt(fipi,2));            if(i!=3)                 System.out.print(".");        }                System.out.println();                int lbip = new int32;        for(int i=0; i<32;i++)             lbipi = (int)bip.charAt(i)-48; //convert cahracter 0,1 to integer 0,1                for (int i = 31; i > 31-bits; i–)            lbipi |= 1;                String lip = {“”,””,””,””};                for(int i=0;i<32;i++)            lipi/8 = lipi/8+lbipi;                System.out.print("Last address is = ");                for(int i=0;i<4;i++){            System.out.print(Integer.parseInt(lipi,2));            if(i!=3)                System.out.print(".");        }        System.out.println();    }    static String appendZeros(String s){        String temp = "00000000";        return temp.substring(s.length())+ s;    }}