How to get specific index value from long buffer.

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How to get specific index value from long buffer.
Posted on: August 5, 2010 at 12:00 AM

In this tutorial, you will see how to get specific index value from long buffer.

How to get specific index value from long buffer.

In this tutorial, we will discuss how to get specific index value from long buffer.

LongBuffer API:

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

Return type	Method	Description
static LongBuffer	allocate( int capacity)	The allocate() method create a long buffer of specified capacity.
long	get(int index)	The get() method read long value at given index from buffer.

Code


import java.nio.*;

import java.nio.LongBuffer;



public class BufferIndexValue{

  public static final int index = 1;

  public static void main(String[] args) {

    LongBuffer longBuf = LongBuffer.allocate(256);

    longBuf.put(345678);

    longBuf.put(8765433);

    longBuf.put(643564);

    longBuf.flip();

    System.out.println("Content in long buffer.");

    while (longBuf.hasRemaining()) {

      System.out.println(longBuf.get());

    }

    System.out

	.println("Long value in buffer at given index " + index + ".");

    System.out.println(longBuf.get(index));

  }

}

Output

C:\>java BufferIndexValue
Content in long buffer.
345678
8765433
643564
Long value in buffer at given index 1.
8765433

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