JAVA 替換 文字檔案內容

資料來源:http://www.blueshop.com.tw/board/FUM20041006152546UBK/BRD20050302135958J5S.html
 

import java.io.*;

public class testfile{
    public static void main( String args[] ) throws Exception
    {
        BufferedReader in = new BufferedReader(new FileReader(@”C:\testin.txt”));
        BufferedWriter out = new BufferedWriter(new FileWriter(@”C:\testout.txt”));
        String str;
        while ((str = in.readLine()) != null) {
            out.write(str.replaceAll(“Test”,”Abcd”));
            out.newLine();
        }
        out.close();
        in.close();
    }
}