Java Basic(80)-Writing to Files

創建新的class -CreateFile

import java.io.*;

import java.lang.*;

import java.util.*;

public class createfile {

private Formatter x;

public void openFile(){

try{

x= new Formatter("chinese.txt");

}

catch(Exception e){

System.out.println("you have an error");

}

}

public void addRecords(){

x.format("%s%s%s", "20 ", "bucky ","roberts"); →你把什麼放在文件中

}

public void closeFile(){

x.close(); →必須close();

}

}

在apples.java:

class apples{

public static void main(String[] args){

createfile g = new createfile();

g.openFile();

g.addRecords();

g.closeFile();

}

}

然後，當你創建。你可以點擊chinese.txt文件：

20 bucky roberts