Java CharBuffer order()用法及代碼示例

java.nio.CharBuffer類的order()方法用於檢索此緩衝區的字節順序。通過分配或包裝現有char數組創建的char緩衝區的字節順序是基礎硬件的本機順序。創建為字節緩衝區視圖的char緩衝區的字節順序是創建視圖時字節緩衝區的字節順序。

用法:

public abstract ByteOrder order()

返回值：此方法返回此緩衝區的字節順序。

下麵是說明order()方法的示例：

範例1：

// Java program to demonstrate 
// order() method 
  
import java.nio.*; 
import java.util.*; 
  
public class GFG { 
  
    public static void main(String[] args) 
    { 
        // creating object of CharBuffer 
        // and allocating size capacity 
        CharBuffer cb 
            = CharBuffer.allocate(4); 
  
        // append the int value in the charbuffer 
        cb.append('a') 
            .append('b') 
            .append('c') 
            .append('d'); 
  
        // rewind the Bytebuffer 
        cb.rewind(); 
  
        // Retrive the ByteOrder 
        // using order() method 
        ByteOrder order = cb.order(); 
  
        // print the char buffer and order 
        System.out.println("CharBuffer is:"
                           + Arrays.toString(cb.array()) 
                           + "\nOrder:" + order); 
    } 
}

輸出：

CharBuffer is:[a, b, c, d]
Order:LITTLE_ENDIAN

範例2：

// Java program to demonstrate 
// order() method 
  
import java.nio.*; 
import java.util.*; 
  
public class GFG { 
  
    public static void main(String[] args) 
    { 
        // creating object of CharBuffer 
        // and allocating size capacity 
        CharBuffer cb = CharBuffer.allocate(4); 
  
        // Retrive the ByteOrder 
        // using order() method 
        ByteOrder order = cb.order(); 
  
        // print the char buffer and order 
        System.out.println("CharBuffer is:"
                           + Arrays.toString(cb.array()) 
                           + "\nOrder:" + order); 
    } 
}

輸出：

CharBuffer is:[,,,  ]
Order:LITTLE_ENDIAN

參考： https://docs.oracle.com/javase/9/docs/api/java/nio/CharBuffer.html#order-

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注：本文由純淨天空篩選整理自RohitPrasad3大神的英文原創作品 CharBuffer order() methods in Java with Examples。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。