randomaccess.java~59~

来自「提供了常用的JAVA技术的示例」· JAVA~59~ 代码 · 共 20 行

package RandomAccessFile;

import java.io.*;
import java.io.RandomAccessFile;
import java.lang.*;

public class RandomAccess {
    public static void main(String a[]) throws IOException {
        RandomAccessFile ran=new RandomAccessFile("1.txt","rw");
        byte b[]=new byte[1000];
        //ran.read(b);
        //ran.writeInt(100);
        ran.seek(ran.length());
        ran.writeInt(122);
        ran.read(b);
        System.out.println(new String(b));


    }
}