Compare a long buffer with another long buffer.

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Compare a long buffer with another long buffer.
Posted on: August 6, 2010 at 12:00 AM

In this tutorial, you will see how to compare a long buffer with another long buffer.

Compare a long buffer with another long buffer.

In this tutorial, we will see how to compare a long buffer with another 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 allocate a new long buffer.
int	compareTo(LongBuffer buffer)	The compareTo() method returns 0, -1 or 1. It means this buffer is equal, less and greater than to another long buffer.
abstract LongBuffer	put(long value)	The put(..) method write a given long value at the current position.

code


import java.nio.*;

import java.nio.LongBuffer;



public class CompareBuffer {

  public static void main(String[] args) {

long[] array = new long[] { 232231321, 37656566, 454356544 };

    LongBuffer LongBuf = LongBuffer.wrap(array);

    LongBuffer LongBuf1 = LongBuffer.allocate(256);

    LongBuf1.put(67543349);

    LongBuf1.put(54757657);

    int i = LongBuf.compareTo(LongBuf1);

    if (i == 1) {

      System.out.println("Buffer is greater than.");

    } else if (i == 0) {

      System.out.println("Buffer is equal to.");

    } else if (i == -1) {

      System.out.println("Buffer is less than.");

    }

    LongBuffer LongBuf2 = LongBuffer.allocate(256);

    LongBuf2.put(676556);

    LongBuf2.put(57567568);

    int i1 = LongBuf2.compareTo(LongBuf1);

    if (i1 == 1) {

      System.out.println("Buffer is greater than.");

    } else if (i1 == 0) {

      System.out.println("Buffer is equal to.");

    } else if (i1 == -1) {

      System.out.println("Buffer is less than.");

    }

    int i3 = LongBuf2.compareTo(LongBuf);

    if (i3 == 1) {

      System.out.println("Buffer is greater than.");

    } else if (i3 == 0) {

      System.out.println("Buffer is equal to.");

    } else if (i3 == -1) {

      System.out.println("Buffer is less than.");

    }

  }

}

Output

C:\>java CompareBuffer
Buffer is greater than.
Buffer is equal to.
Buffer is less than.

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