Java by API/java.nio/ByteOrder

ByteOrder.BIG_ENDIAN

   <source lang="java">

import java.nio.ByteBuffer; import java.nio.ByteOrder; public class Main {

 public static void main(String[] args) {
   ByteBuffer bb = ByteBuffer.wrap(new byte[12]);
   bb.asCharBuffer().put("abcdef");
   System.out.println(toString(bb.array()));
   bb.rewind();
   bb.order(ByteOrder.BIG_ENDIAN);
   bb.asCharBuffer().put("abcdef");
   System.out.println(toString(bb.array()));
   bb.rewind();
   bb.order(ByteOrder.LITTLE_ENDIAN);
   bb.asCharBuffer().put("abcdef");
   System.out.println(toString(bb.array()));
 }
 static String toString(byte[] a) {
   StringBuffer result = new StringBuffer("[");
   for (int i = 0; i < a.length; i++) {
     result.append(a[i]);
     if (i < a.length - 1)
       result.append(", ");
   }
   result.append("]");
   return result.toString();
 }

}

 </source>
   
  
 
  

ByteOrder.LITTLE_ENDIAN

   <source lang="java">

import java.nio.ByteBuffer; import java.nio.ByteOrder; public class Main {

 public static void main(String[] args) {
   ByteBuffer bb = ByteBuffer.wrap(new byte[12]);
   bb.asCharBuffer().put("abcdef");
   System.out.println(toString(bb.array()));
   bb.rewind();
   bb.order(ByteOrder.BIG_ENDIAN);
   bb.asCharBuffer().put("abcdef");
   System.out.println(toString(bb.array()));
   bb.rewind();
   bb.order(ByteOrder.LITTLE_ENDIAN);
   bb.asCharBuffer().put("abcdef");
   System.out.println(toString(bb.array()));
 }
 static String toString(byte[] a) {
   StringBuffer result = new StringBuffer("[");
   for (int i = 0; i < a.length; i++) {
     result.append(a[i]);
     if (i < a.length - 1)
       result.append(", ");
   }
   result.append("]");
   return result.toString();
 }

}

 </source>