import java.util.Scanner;
class Main 
{
    public static void main(String[] args) 
    {
        System.out.print("Please enter a sentence:");
 
        Scanner scan = new Scanner(System.in);
        String sentence = scan.nextLine();
        sentence = sentence.toLowerCase();
 
        int consonant = 0;
        int arr[] = new int[128];
        int l = sentence.length();
 
        for(int i = 0; i < l; ++i)
        {
            if('a' <= sentence.charAt(i) && sentence.charAt(i) <= 'z')
            { 
                arr[sentence.charAt(i)]++;
                consonant++;
            }
        }
 
        consonant = consonant - (arr['a'] + arr['e'] + arr['i'] + arr['o'] + arr['u']);
 
        System.out.println("a:" + arr['a']);
        System.out.println("e:" + arr['e']);
        System.out.println("i:" + arr['i']);
        System.out.println("o:" + arr['o']);
        System.out.println("u:" + arr['u']);
        System.out.println("consonant:" + consonant);
    }
}

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VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wcyBvdmVyIGEgbGF6eSBkb2cu

The quick brown fox jumps over a lazy dog.