Sort Districts name and Count First Alphabet in Java.

Main Method:

 
package districts;

import java.util.Scanner;

/**

 *

 * @author Sabit

 */

public class Districts 

{

  

    public static void main(String[] args)

    {

      Scanner S = new Scanner(System.in);

        int size;

        Sort srt;

        System.out.println("Enter Total Case: ");

        size  =S.nextInt();

      

        String dist[] = new String[size];

        

        System.out.println("Enter District Name: ");

        S.nextLine();

        for(int i=0;i<dist.length;i++ )

        {                    

            dist[i] = S.nextLine();                

        }

             

       srt = new Sort(dist);

       srt.sortDistricts();

       srt.display();   

       srt.count1stIndex();

    }

    

}

 

Sort Class:

 

 

 

package districts;

 

/**

 *

 * @author Sabit

 */

public class Sort 

{

   public String str[];

    

   char array[]=new char[26];

   int count[] = new int[26];

   

   public void count1stIndex()

   {

    for(int i=0;i<26;i++)

    {

        array[i] = (char) ('A'+i);

    }

    

    for(int i = 0;i<26;i++)

    {

        count[i]=0;

    }

    

    for(int i=0;i<str.length;i++)

    {

        String temp = str[i];

        

        for(int j=0;j<26;j++)

        {   

            if(temp.charAt( 0 )==array[j] || temp.charAt(0)== array[j]+32)

            {           

                count[j]++;

            }

        }

    }

    

    System.out.println("Totla First Letter: ");

    for(int i=0;i<26;i++)

    {

        if(count[i]>0)

        {

            System.out.println(array[i]+" = "+count[i]);

        }

    }

   }

      

   

    public Sort(String s[])

    {

        this.str = s;

    }

    

    public void sortDistricts()

    {

        for(int i =0;i<str.length;i++)

        {

            for(int j=i+1;j<str.length;j++)

            {  

              

                if((str[i].compareTo(str[j]))>0)

                {

                    String temp = str[i];

                    str[i]= str[j];

                    str[j]=temp;

                }

            }

        }

    }

    

    

    public void display()

    {   

        System.out.println("Your Sorted Element: ");

        for(String s : str)

        {

            System.out.println(s);

        }

    }

}