randomioapp.java

来自「几个简单的java学习代码」· Java 代码 · 共 37 行

import java.io.*;
public class RandomIOApp {

   public static void main(String[] args) throws IOException {
      RandomAccessFile file = new RandomAccessFile("aa.txt", "rw");

      file.writeBoolean(true);
      file.writeInt(2);
      file.writeChar('j');
      file.writeDouble(3.1415);

      file.seek(1);

      System.out.println(file.readInt());
      System.out.println(file.readChar());
      System.out.println(file.readDouble());

      file.seek(0);
      System.out.println(file.readBoolean());

      file.close() ;

   }
}


/*
运行结果：

2
j
3.1415
true

*/

*/