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()); } }