/* * Copyright (c) 2000 David Flanagan.  All rights reserved. * This code is from the book Java Examples in a Nutshell, 2nd Edition. * It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied. * You may study, use, and modify it for any non-commercial purpose. * You may distribute it non-commercially as long as you retain this notice. * For a commercial use license, or to purchase the book (recommended), * visit http://www.davidflanagan.com/javaexamples2. */package com.davidflanagan.examples.basics;/** * This program prints out all its command-line arguments. **/public class Echo {    public static void main(String[] args) {        int i = 0;                           // Initialize the loop variable        while(i < args.length) {             // Loop until the end of array            System.out.print(args[i] + " "); // Print each argument out            i++;                             // Increment the loop variable        }        System.out.println();                // Terminate the line    }}