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Calculate total number of elements remaining in the buffer.
Posted on: August 4, 2010 at 12:00 AM
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In this tutorial you will see how to calculate total number of elements remaining in the buffer.

Calculate total number of elements remaining in the buffer.

In this tutorial, we will discuss how to calculate total number of elements remaining in the buffer.

 IntBuffer API:

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

Return type Method Description
static IntBuffer allocate( int capacity)  The allocate() method create a int buffer of specified capacity. 
int get() The get() method read int value from current position of int buffer.

Buffer API:

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

Return type Method Description
Int remaining() The remaining() method returns remaining element in buffer.

Code

import java.nio.*;
import java.nio.IntBuffer;

public class RemainElement {
  public static void main(String[] arg) {
    IntBuffer intBuffer = IntBuffer.allocate(256);
    intBuffer.put(22);
    intBuffer.put(23);
    intBuffer.put(24);
    intBuffer.flip();
    System.out
.println("Current position of buffer:" + intBuffer.position());
System.out.println("Current limit of buffer:" + intBuffer.limit());
    int i = intBuffer.remaining();
    System.out
    .println("Number of remaining elements in buffer : " + i);
  }
}

Output

C:\>java RemainElement
Current position of buffer:0
Current limit of buffer:3
Number of remaining elements in buffer : 3

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Posted on: August 4, 2010

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