*******************************************************************假如InputDictionary.txt文件放在D盘根目录下,新建类Dictionary.java,代码如下:*******************************************************************import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.FileReader;import java.io.FileWriter;public class Dictionary { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new FileReader( "d:\\InputDictionary.txt")); BufferedWriter bw = new BufferedWriter(new FileWriter( "d:\\OutputDictionary.txt")); String input, output; while ((input = br.readLine()) != null) { output = input.replaceAll(" +", "\t"); bw.append(output); bw.newLine(); } bw.flush(); bw.close(); br.close(); System.out.println("Success!"); }}*******************************************************************