java合并两个文件

package program;

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import java.io.File;

import java.io.IOException;

import java.util.Collections;

import java.util.List;

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import org.apache.commons.io.FileUtils;

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public class Tele {

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private static final String CURRENTFILE = "c:/test/current.txt";

private static final String TODAYFILE = "c:/test/today.txt";

private static final String RESULTFILE = "c:/test/result.txt";

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public static void main(String[] args){

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try {

List<String> currentNum = FileUtils.readLines(new File(CURRENTFILE), "UTF-8");

List<String> todayNum = FileUtils.readLines(new File(TODAYFILE), "UTF-8");

currentNum.addAll(todayNum);

Collections.sort(currentNum);

System.out.println(currentNum.toArray().length);

FileUtils.writeLines(new File(RESULTFILE), currentNum);

} catch (IOException e) {

new Exception("读取文件时出错");

}

}

}