Java.io.DataInputStream.readShort()方法实例
java.io.DataInputStream.readShort() 方法读取两个输入字节并返回一个short值。
声明
以下是java.io.DataInputStream.readShort()方法的声明:
public final short readShort()
参数
-
NA
返回值
此方法返回2个字节的输入流,解译为short值。
异常
-
IOException -- -- 如果发生I/ O错误或流被关闭。
-
EOFException -- -- 如果输入流中读取两个字节之前到达末尾。
例子
下面的示例演示java.io.DataInputStream.readShort()方法的用法。
package com.yiibai; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; public class DataInputStreamDemo { public static void main(String[] args) throws IOException { InputStream is = null; DataInputStream dis = null; FileOutputStream fos = null; DataOutputStream dos = null; short[] s = {12982,3568}; try{ // create file output stream fos = new FileOutputStream("c:\test.txt"); // create data output stream dos = new DataOutputStream(fos); // for each short in short buffer for(short j:s) { // write short to data output stream dos.writeShort(j); } // force data to the underlying file output stream dos.flush(); // create file input stream is = new FileInputStream("c:\test.txt"); // create new data input stream dis = new DataInputStream(is); // available stream to be read while(dis.available()>0) { // read two bytes from data input, return short short k = dis.readShort(); // print short value System.out.print(k+" "); } }catch(Exception e){ // if any error occurs e.printStackTrace(); }finally{ // releases all system resources from the streams if(is!=null) is.close(); if(dis!=null) dis.close(); if(fos!=null) fos.close(); if(dos!=null) dos.close(); } } }
让我们编译和运行上面的程序,这将产生以下结果:
12982 3568