隨筆檔案(496)

1

//用FileOutputStream將內容寫入文本文件

import java.io.*;
public class FileOutputDemo
{
public static void main(String[] args)
{
?? FileOutputStream out;
?? PrintStream p;
?? try
?? {
??? out = new FileOutputStream("myfile.txt");
??? p = new PrintStream(out);
??? p.println("Hello,World!");
??? p.close();
?? }
?? catch(Exception e)
?? {
??? System.err.println("Error writing to file!");
?? }
}

}

2

import java.io.*;

class FSODemo
{
?? public static void main(String args[]) throws Exception
?? {
???? String source="Beijing is the capital of China\n"
???? +"and it is a very beautiful city.\n"
???? +"Welcome to Beijing!";
???? byte buf[] = source.getBytes();
???? FileOutputStream f=new FileOutputStream("file.txt");
???? f.write(buf);
???? f.close();
???? System.out.println("文本已經成功寫入文件！");
?? }
}