Check for any elements exists between the current position and the limit of a double type buffer.

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Check for any elements exists between the current position and the limit of a double type buffer.
Posted on: July 28, 2010 at 12:00 AM

In this tutorial you will see how to check for existence of any element between the current position and the limit of a buffer.

Check for any elements exists between the current position and the limit of a double type buffer.

In this tutorial you will see how to check for existence of any element between the current position and the limit of a buffer. The hasRemaining method returns true when there exists at least one element in the buffer and returns false when there is no element available in the buffer.

Code:


import java.nio.DoubleBuffer;



public class DoubleBufferDemo {

  public static void main(String[] args) {

    double[] db1 = new double[] {};

    DoubleBuffer buffer1 = DoubleBuffer.wrap(db1);

    buffer1.put(db1);

    System.out.println(buffer1.hasRemaining());

    double[] db2 = new double[] { 2325.54 };

    DoubleBuffer buffer2 = DoubleBuffer.wrap(db2);

    buffer2.put(db1);

    System.out.println(buffer2.hasRemaining());

  }

}

Output:

False
True

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