Random文件读写

//Random文件读写

import java.io.RandomAccessFile;
 /*
  * @param args
  * @Version 1.0
  *
  */
 /**
  *
  * <p>
  * Title:RandomAccessFile Demo
  * </p>
  *
  * <p>
  * Descrption:Program forwriting and then reading file
  * </p>
  *
  * <p>
  * Copyright:Copyright(c) 2005
  * <p>
  *
  * <p>
  * Company:Aptech Limited
  * </p>
  *
  * @author No attributable
  * @version 1.0
  */
public class RandomFile
{ 
 protected RandomFile()
 {}
 /**
  *
  */
 final void readwriteFile()
 {
  int[] numbers= {12,31,56,23,27,1,43,65,4,99};
 try
 {
  RandomAccessFile objRandom=new RandomAccessFile("rand1.txt","rw");
  
  for(int i=0;i<numbers.length;i++)
  {objRandom.writeShort(numbers[i]);}
  
  System.out.println("reverse the Array!");
  
  for(int i=9;i>=0;i--)
  { 
   
   objRandom.seek(i*2);
   System.out.println(objRandom.readShort());
  }
  objRandom.close();
 }
 catch(Exception n)
 {System.out.println("no normal!"+n);}
 finally
 {
  System.out.println("will be excutive");
  System.out.println("in the finally block !");
 }
} 
 public static void main(String[] args)
 {
  // TODO 自动生成方法存根
  RandomFile objRandomFile= new RandomFile();
  objRandomFile.readwriteFile();
  
 }
 
}