Program to count the total number of letters, digits, blank spaces and special symbols in a given string

import java.io.*;

class count

{

void main()throws IOException

{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));  

System.out.println("enter the String");

String s=br.readLine();

int i,l,c1=0,c2=0,c3=0,sp=0;

char ch;

l=s.length();

for(i=0;i<l;i++)

{

ch=s.charAt(i);

if(Character.isLetter(ch))

++c1;

else if(Character.isDigit(ch))

++c2;

else if(ch==' ')

++sp;

else

++c3;

}

System.out.println("no of Letter="+c1);

System.out.println("no of Digit="+c2);

System.out.println("no of Spaces="+sp);

System.out.println("no of Symbol="+c3);

}

}