Find Character's Frequency

                                              Find Character's Frequency


package com.talent;

public class Find_Character_Frequency {


static int [] characterFrequency(String s)

  {

       s=s.toLowerCase();

    int frequency[]=new int[26];

   for (int i = 0,c=97; i < 26; i++,c++)

   {

   for (int j = 0; j < s.length(); j++)


     {

   char ch=s.charAt(j);

   

                   if(ch==c)
                  frequency[i]++;


} }
return frequency;
  }

 public static void main(String[] args) {



 String s="I am Java Developer";

 int frequency[]=characterFrequency(s);
 System.out.println("Albhabet \t Frequency");


 for (int i = 0,c=97; i <26; i++,c++) {
 if(frequency[i]!=0){
 char ch=(char)c;

 System.out.println(ch+"\t\t"+frequency[i]);


 }

}

}


}

OutPut->
Albhabet Frequency
a 3
d 1
e 3
i 1
j 1
l 1
m 1
o 1
p 1
r 1
v 2