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ShortBuffer in java, Create a read-only short buffer that shares the content of short buffer.
Posted on: August 12, 2010 at 12:00 AM
In this tutorial, you will see how to create a read-only short buffer that shares the content of short buffer.

Create a read-only short buffer that shares the content of short buffer.

In this tutorial, we will see how to create a read-only short buffer that shares the content of old short buffer.

ShortBuffer API:

The java.nio.ShortBuffer class extends java.nio.Buffer class. It provides the following methods:

Return type Method Description
static ShortBuffer allocate( int capacity) The allocate(..) method allocate a short buffer of given capacity.
abstract ShortBuffer asReadOnlyBuffer() The asReadOnlyBuffer() method create a new read-only buffer that share the content of given short buffer.

Code

import java.nio.*;
import java.nio.ShortBuffer;

public class ReadOnlyBuffer{
    public static void main(String[] arg) {
    ShortBuffer shortBuff = ShortBuffer.allocate(1024);
    shortBuff.put((short) 75);
    shortBuff.put((short) 53);
    shortBuff.flip();
    System.out.println("Content in first short buffer : ");
    while (shortBuff.hasRemaining()) {
      System.out.println(shortBuff.get());
    }
    if (shortBuff.isReadOnly()) {
 System.out.println("First short buffer is read-only.");
    } else {
System.out.println("first short buffer is not read-only.");
    }
    ShortBuffer shortBuff1 = shortBuff.asReadOnlyBuffer();
    shortBuff1.flip();
System.out.println("Content in read-only short buffer : ");
    while (shortBuff1.hasRemaining()) {
      System.out.println(shortBuff1.get());
    }
    if (shortBuff1.isReadOnly()) {
  System.out.println("Second short buffer is read-only.");
    } else {
System.out.println("Second short buffer is not read-only.");
    }
  }
}

Output

C:\>java ReadOnlyBuffer
Content in first short buffer :
75
53
first short buffer is not read only.
Content in second short buffer :
75
53
Second short buffer is read only.

Download this code

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