Home Tutorial Java Corejava Nio Use of array() method of FloatBuffer class in java.

 
 

Use of array() method of FloatBuffer class in java.
Posted on: July 29, 2010 at 12:00 AM
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In this tutorial you will see the use of array() method of FloatBuffer class in java.

Use of array() method of FloatBuffer class in java.

 In this tutorial, we will see how to create a float array of float buffer.

FloatBuffer API:

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

Return type Method Description
static FloatBuffer allocate( int capacity)  The allocate(..) method allocate a float buffer of given capacity. 
float[] array() The array() method returns float array based on float buffer
final int capacity() The capacity() method returns the capacity of associated float buffer.

Code

import java.nio.*;
import java.nio.FloatBuffer;
public class FloatArray {
public static void main(String[] argsthrows Exception{
    FloatBuffer floatBuf = FloatBuffer.allocate(255);
    float[] b = floatBuf.array();
    System.out.println("Capacity of float buffer : " 
                                 + floatBuf.capacity());
    System.out.println("Size of float buffer array : " 
                                           + b.length);
  }
}

Output

C:>java FloatArray
Capacity of float buffer : 255
Size of float buffer array : 255

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Posted on: July 29, 2010

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