Set实现元音统计小程序

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collection;
import java.util.TreeSet;
class WordFinder{
private Collection<Character> set=new TreeSet<Character>(){
private static final long serialVersionUID = 1L;
{
add('a') ;
add('e') ;
add('i') ;
add('o') ;
add('u') ;
}
} ;
private String[] strArray=null ;
public WordFinder() {
try {

InputStream is=new FileInputStream("c:\\SetTest.java") ;
int length=is.available() ;
byte []bt=new byte[length] ;
is.read(bt) ;
strArray=new String(bt).split(" ") ;
System.out.println(Arrays.toString(strArray));
} catch (Exception e) {
e.printStackTrace();
}
}
public int find(){

int num=0 ;
for(String str:strArray)
{
for(Character c:set){
if(str.indexOf(c)!=-1){
num++ ;
continue ;
}
}
}
return num ;
}
}
public class Finder {
public static void main(String[]agrs){
WordFinder f=new WordFinder() ;
System.out.println("元音个数:"+f.find());

}
}