2020.03.04 io流练习题2（Randomaccessfile类）

Posted 2020-11-27 ByLir

package com.guoyun.view;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;

/**
 * ClassName:
 * Function:  ADD FUNCTION
 * Reason:   ADD REASON
 *
 * @author
 * @Date
 * @since Ver 1.1
 */
public class Test25 {
    public static void main(String[] args) {
        RandomAccessFile raf=null;
        StringBuffer sb=new StringBuffer();
        try {
            raf=new RandomAccessFile(new File("hello.txt"),"r");
//            System.out.println(raf.length());
            int temp=0;

                for (int i = (int) raf.length()-1; i >=0 ; i--) {
                    raf.seek(i);
                    System.out.println((char) raf.read());

            }

        } catch (Exception e) {
            e.printStackTrace();
        }finally {
            try {
                raf.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}