DataOutputStream類writeShort()方法
- writeShort() 方法可在
java.io
包。 - writeShort() 方法用於將給定值作為 2 個字節短(即 16 位)寫入基本 DataOutputStream,並且變量 counter 在成功執行時加 2。
- writeShort() 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。
- writeShort() 方法可能會在寫短時拋出異常。
IOException:在獲取任何輸入/輸出錯誤時可能會拋出此異常。
用法:
public final void writeShort(int val);
參數:
int val
– 表示要寫入數據輸出流的整數值。
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 val) method
// of DataOutputStream
import java.io.*;
public class WriteShortOfDOS {
public static void main(String[] args) throws Exception {
InputStream is_stm = null;
DataInputStream dis_stm = null;
FileOutputStream fos_stm = null;
DataOutputStream dos_stm = null;
short[] s_arr = {
132,
122,
111
};
try {
// Instantiate FileInputStream,
// DataInputStream, FileOutputStream
// and DataOutputStream
fos_stm = new FileOutputStream("C:\\Users\\Preeti Jain\\Desktop\\programs\\includehelp.txt");
dos_stm = new DataOutputStream(fos_stm);
is_stm = new FileInputStream("C:\\Users\\Preeti Jain\\Desktop\\programs\\includehelp.txt");
dis_stm = new DataInputStream(is_stm);
for (short val:s_arr) {
// By using writeShort() method isto
// write short value to the
// DataOutputStream dos_stm
dos_stm.writeShort(val);
}
// By using flush() method isto
// flush the bytes to the basic
// output stream
dos_stm.flush();
// Loop To Read Available Data till end
while (dis_stm.available() > 0) {
// By using readShort() method isto read
// short from dis_stm
short val = dis_stm.readShort();
System.out.println("dos_stm.writeShort(val):" + val);
}
} catch (Exception ex) {
System.out.println(ex.toString());
} finally {
// To free system resources linked
// with these streams
if (is_stm != null)
is_stm.close();
if (dis_stm != null)
dis_stm.close();
if (dos_stm != null)
dos_stm.close();
if (fos_stm != null)
fos_stm.close();
}
}
}
輸出
dos_stm.writeShort(val):132 dos_stm.writeShort(val):122 dos_stm.writeShort(val):111
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注:本文由純淨天空篩選整理自Preeti Jain大神的英文原創作品 Java DataOutputStream writeShort() Method with Example。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。