example10_7.java.bak

不错的教程 适合中高级人员的使用

import java.io.*;
class Example10_7
{  public static void main(String args[])
   {  
	   File file=new File("student.txt");
	   String content[]={"你好","近来工作忙吗？","常联系","祝好"};
	   try{
		   FileWriter outOne=new FileWriter(file);
		   BufferedWriter outTwo=new BufferedWriter(outOne);
		   for(int k=0;k<content.length;k++)
		   {
			   outTwo.write(content[k]);
			   outTwo.newLine();
		   }
		   outTwo.close();
		   outOne.close();
		   FileReader inOne=new FileReader(file);
		   BufferedReader inTwo=new BufferedReader(inOne);
		   String s=null;
		   int i=0;
		   while((s=inTwo.readLine())!=null)
		   {
			   i++;
			   System.out.println("第"+i+"行"+n);
		   }
		   inOne.close();
		   inTwo.close();
	   }
	   catch(IOException e){System.exit(0);}
   }
}