exam12_5.java

java学习课件

/* 程序名Exam12_5.java*/
import java.io.*;
public class Exam12_5
{
 public static void main(String [] args)
 {
  
  try  //捕获I/O错误
  { 
    FileReader in=new FileReader("tttt.java");//创建对象
    BufferedReader data=new BufferedReader(in); //创建对象
    String ss=data.readLine();
    while(ss!=null)
    { 
      System.out.println(ss); 
      ss=data.readLine();
    }
  }
  catch(IOException e)
  {
    System.out.println(e.toString()); //输出出错信息
  }
 }
}