RemoveEnd.java

RemoveEnd.java(输出：Result4.txt)将Result2.txt最后的分号摘掉

package test;import java.io.BufferedReader;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.UnsupportedEncodingException;import java.util.HashMap;import java.util.Map;public class RemoveEnd {    public static void appendMethod(String fileName, String content) {           try {               //打开一个写文件器，构造函数中的第二个参数true表示以追加形式写文件               FileWriter writer = new FileWriter(fileName, true);               writer.write(content);               writer.close();           } catch (IOException e) {               e.printStackTrace();           }       }    public static void main(String[] args)    {        String fileName = "/public/home/dsj/Public/sundujing/Result4.txt";        String content;        FileInputStream fis2;        InputStreamReader isr2;        BufferedReader br2 = null;        try {            fis2 = new FileInputStream("/public/home/dsj/Public/sundujing/Result2.txt");            //fis2 = new FileInputStream("D://dim_fashion_matchsets.txt");            isr2 = new InputStreamReader(fis2, "UTF-8");            br2 = new BufferedReader(isr2);        } catch (FileNotFoundException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } catch (UnsupportedEncodingException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        String str3;        try {            while ((str3 = br2.readLine()) != null)             {                String[] str4 = str3.split(";");                content=str4[0];                 appendMethod(fileName, content);                 appendMethod(fileName, "\n");            }        } catch (IOException e) {e.printStackTrace();}    }}