for(int i = 0; i < 100; i++) {
char c = (char)(Math.random() * 26 + 'a");
System.out.print(c + ": ");
switch(c) {
case 'a":
case 'e":
case 'i":
case 'o":
case 'u":
System.out.println("vowel");
break;
case 'y":
case 'w":
System.out.println(
"Sometimes a vowel");
break;
default:
System.out.println("consonant");
}
}