letter.java

import java.io.*;

class letter

 {
	 public static void main(String[] args) 
	{
   		 String line = "This website is aw3som3.";
   		 int vowels = 0, consonants = 0, digits = 0, spaces = 0;
		 line = line.toLowerCase();
   		 for (int i = 0; i < line.length(); ++i)
		 {
      			char ch = line.charAt(i);
		  if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') 
		 {
     			   ++vowels;
    		  }
		else if ((ch >= 'a' && ch <= 'z'))	
		 {    
        			++consonants;
  		 }
     		 else if (ch >= '0' && ch <= '9') 
		{
       			 ++digits;
      		}
      		 else if(ch==' ')
		{
       			 ++spaces;
     		 }
   		 }

  	  System.out.println("Vowels: " + vowels);
  	  System.out.println("Consonants: " + consonants);
	  System.out.println("Digits:"+digits);
  	  System.out.println("White spaces: " + spaces);
 	 }
}