Java ObjectOutputStream writeShort()用法及代碼示例

ObjectOutputStream類writeObject()方法

• writeObject() 方法可在java.io包。
• writeObject() 方法用於寫入給定的 2 字節短值。
• writeObject() 方法是一個非靜態方法，它隻能通過類對象訪問，如果我們嘗試使用類名訪問方法，那麽我們將得到一個錯誤。
• writeObject() 方法可能會在寫短時拋出異常。
  IOException:在寫入輸出流時出現任何輸入/輸出錯誤時，可能會拋出此異常。

用法:

    public void writeShort(int value);

參數：

• int value– 表示一個整數，表示要寫入的短值。

返回值：

該方法的返回類型是void，它什麽都不返回。

例：

// Java program to demonstrate the example 
// of void writeShort(int value) method of 
// ObjectOutputStream

import java.io.*;

public class WriteShortOfOOS {
 public static void main(String[] args) throws Exception {
  // Instantiates ObjectOutputStream , ObjectInputStream 
  // FileInputStream and FileOutputStream
  FileOutputStream file_out_stm = new FileOutputStream("D:\\includehelp.txt");
  ObjectOutputStream obj_out_stm = new ObjectOutputStream(file_out_stm);
  FileInputStream file_in_stm = new FileInputStream("D:\\includehelp.txt");
  ObjectInputStream obj_in_stm = new ObjectInputStream(file_in_stm);

  // By using writeShort() method is to
  // write the short to the stream		
  obj_out_stm.writeShort(100);
  obj_out_stm.writeShort(124);
  obj_out_stm.writeShort(168);
  obj_out_stm.writeShort(152);

  obj_out_stm.flush();

  // By using readShort() method is to 
  // read the int and convert it into short
  for (int i = 0; i < 4; ++i) {
   short sh = (short) obj_in_stm.readShort();
   System.out.println("obj_in_stm.readShort():" + sh);
  }

  // By using close() method is to 
  // close all the streams 
  System.out.println("Stream Shutdown... ");

  file_in_stm.close();
  file_out_stm.close();
  obj_in_stm.close();
  obj_out_stm.close();
 }
}

輸出

obj_in_stm.readShort():100
obj_in_stm.readShort():124
obj_in_stm.readShort():168
obj_in_stm.readShort():152
Stream Shutdown...