import java.nio.*; import java.util.*; public class Demo { public static void main(String[] args) { int n = 5; try { FloatBuffer buffer = FloatBuffer.allocate(5); buffer.put(4.5F); buffer.put(1.2F); buffer.put(3.9F); buffer.put(7.5F); buffer.put(5.8F); buffer.rewind(); System.out.println("The FloatBuffer is: " + Arrays.toString(buffer.array())); boolean flag = buffer.hasArray(); if (flag) System.out.println("The FloatBuffer is backed by an array"); else System.out.println("The FloatBuffer is not backed by any array"); } catch (IllegalArgumentException e) { System.out.println("Error!!! IllegalArgumentException"); } catch (ReadOnlyBufferException e) { System.out.println("Error!!! ReadOnlyBufferException"); } } }