HDU 2027 统计元音

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		@SuppressWarnings("resource")
		Scanner in = new Scanner(System.in);
        while(in.hasNext()) {
        	int n = in.nextInt();
        	//String[] s = new String[n];
        	in.nextLine();
        	for(int i=0;i<n;i++) {
        	String s = in.nextLine();
        		StatisticsVowel(s);
				if(i+1!=n) {
					System.out.println();
				}
        	}
        		
        }
        	
     }


	public static void StatisticsVowel(String s) {
				int a= 0;
				int e = 0;
				int i= 0;
				int o = 0;
				int u = 0;
				for(int k=0;k<s.length();k++) {
					switch(s.charAt(k)){
						case 'a':
							a++;
							break;
						case 'e':
							e++;
							break;
						case 'i':
							i++;
							break;
						case 'o':
							o++;
							break;
						case 'u':
							u++;
							break;			  
					}
				}
				System.out.println("a:"+a);
				System.out.println("e:"+e);
				System.out.println("i:"+i);
				System.out.println("o:"+o);
				System.out.println("u:"+u);
	}

}