//通过类方法，计算出随机出现的字母的元音，半音节，辅音字母分别的次数。
class Counter{ //定义个用于计数的类
protected int value=0;
public void increment(){
value++;
}
public void decrement(){
value--;
}
public void reset(){
value=0;
}
public int petvalue(){
return value;
}
}
public class Sy3test2 {
public static void main(String[] args) {
Counter counter1= new Counter();
Counter counter2= new Counter();
Counter counter3=new Counter ();
counter1.reset();
counter2.reset();
counter3.reset();
for (int i=0;i<=100;i++)
{
char c=((char)(Math.random()*26+'a'));
switch(c)
{case 'a':
case'e':
case'o':
case'u':
case'i':counter1.increment(); break;
case'y':
case'w':counter2.increment(); break;
default:counter3.increment();break;
}
System.out.print(c+" ");
}
System.out.println();
System.out.println("元音字母："+counter1.petvalue());
System.out.println("半元音字母："+counter2.petvalue());
System.out.println("辅音字母："+counter3.petvalue());
}}
