Vowel Count in Each Word

import java.util.*;
public class WordVowelCount
{
    public static void main(String Args[])
    {
        int l=0,count=0;
        String str="",word="";
        char ch=' ';
        Scanner sc=new Scanner(System.in);
        System.out.print("Enter a sentence: ");
        str=sc.nextLine();
        str=str.trim();
        str=str+" ";
        l=str.length();
        for(int i=0;i<l;i++)
        {
            ch=str.charAt(i);
            if(ch==' ')
            {
                System.out.println(word + ": "+ count);
                count=0;
                word="";
            }
            else
            {
                word=word+ch;
                if(ch=='A'||ch=='E'||ch=='I'||ch=='O'||ch=='U'||ch=='a'||ch=='e'||ch=='i'||ch=='o'||ch=='u')
                {
                    count++;
                }
            }
        }
    }
}