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");
}
}
}
