Count Consonants,Vowels,Digits and Spaces in Java

I wrote this program using Java programming language that will ask the user to give a string or a sentence and then the program will count the number of consonants, vowels, digits and white space in the given sentence or string and display the results on the screen.

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Sample Program Output

Program Listing

 Count_Characters.java

import java.util.*;

public class Count_Characters {

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

Scanner input = new Scanner(System.in);

int vowels=0,consonants=0,digits=0,spaces=0;

System.out.println("\n");

System.out.print("\tCount Consonants,Vowels,Digits and Spaces in Java");

System.out.println("\n");

System.out.print("\tGive a Sentence : ");

String line = input.nextLine();

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("\n");

System.out.println("\tTotal Number of Vowels     : " + vowels);

System.out.println("\tTotal Number of Consonants : " + consonants);

System.out.println("\tTotal Number of Digits     : " + digits);

System.out.println("\tTotal Number of WhiteSpace : " + spaces);

System.out.println("\n");

System.out.println("\tEnd of Program");

}

}