Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!feeder1.cambriumusenet.nl!feed.tweaknews.nl!216.196.110.149.MISMATCH!Xl.tags.giganews.com!border2.nntp.ams.giganews.com!nntp.giganews.com!local2.nntp.ams.giganews.com!nntp.bt.com!news.bt.com.POSTED!not-for-mail NNTP-Posting-Date: Sun, 19 Jun 2011 16:28:27 -0500 From: rossum Newsgroups: comp.lang.java.programmer Subject: Re: The greeting code in Java Date: Sun, 19 Jun 2011 22:28:23 +0100 Message-ID: <9qpsv6posju2o7bfv777hg2clgbphj3rl2@4ax.com> References: X-Newsreader: Forte Agent 1.93/32.576 English (American) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 31 X-Usenet-Provider: http://www.giganews.com X-AuthenticatedUsername: NoAuthUser X-Trace: sv3-0Wri7R2RkdaH75ZCR9vRbBmFu+bqChTh36wP4GIKy3ETQHaOEePWq0eECLEq5yncRbOPAo5GBEL5isx!mW7u84JW5DprQ0XS6rkOi/OWe4bAmHEDu0U5dwHo3f7MgiZ/5kVCupMEIDz0n7H/JYg6eRDXK3O3!hP4= X-Complaints-To: abuse@btinternet.com X-DMCA-Complaints-To: abuse@btinternet.com X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 2339 Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:5410 On Sun, 19 Jun 2011 12:15:01 -0700 (PDT), Saeed Amrollahi wrote: >What is the Scanner? As Martin said, you need to read the Javadoc: (http://download.oracle.com/javase/6/docs/api/java/util/Scanner.html) Java is a relatively small language with a huge standard library. You cannot understand the language without knowing the basics of the library. The library is described in the Javadocs. If you have not done so already, download them from (http://www.oracle.com/technetwork/java/javase/downloads/index.html#docs) and install them on your computer. Your IDE should be able to link to them and use them to help you. >Why we use nextLine? It returns the next line of input as a String. Since your program reads a line of input it is the obvious method to use. >What's the relation of >such concepts with a simple greeting program. >Why the code for writing "Hello, world" is in chapter 1, page 1 >of The Java Programming Language, but the code of greeting may be in >Chapter 20! Ask the authour of the book you are using. rossum > -- Saeed