要设置的文件

/* 
*来 自
 N o  w  J a v a . c o m - 时  代  Java
*/


//package com.nowjava;


import java.io.BufferedReader;


import java.io.File;

import java.io.FileReader;


import java.util.HashSet;


import java.util.Set;


public class Main {

    public static Set<String> fileToSet(File file, boolean toLowerCase,

            boolean trim) {

        try {

            Set<String> set = new HashSet<String>();

            BufferedReader br = new BufferedReader(new FileReader(file));

            String line = "";

            while ((line = br.readLine()) != null) {

                if (toLowerCase)/**来 自 时 代 J a v a - N o w J a v a . c o m**/

                    set.add(line.toLowerCase());

                else if (trim)

                    set.add(line.trim());

                else

                    set.add(line);

            }