filestream.java

来自「用java编写的一些初级代码」· Java 代码 · 共 25 行

import java.io.*;
public class FileStream { 
    public static void main(String args[]){ 
	File f=new File("c:\\1.txt");
	    try
	    {
		FileWriter out = new FileWriter (f);
		out.write("aaabbbccc");
		out.close();
	    }
	    catch(Exception e)
	    {	System.out.println(e.getMessage());}
	    try
	    {
		FileReader in = new FileReader (f);
		char []buf=new char[1024];
		int len = in.read(buf);
		System.out.println(new String(buf,0,len));
	    }
	    catch(Exception e)
	    {	System.out.println(e.getMessage());}
}
}