斯凡 欧特 个人简介:什么是代码？请举例.......

这就是代码
public class BackwardString {
public static void main(String[] args) {
System.out.print("请输入一句话：");
System.out.println();
String s = SavitchIn.readLine();
int n = s.length();
char a[] = new char[n];
for (int i = 0; i < n; i++) {
a[i] = s.charAt(i);
}
System.out.println(s + "倒序输出为：");
for (int i = n - 1; i > -1; i--) {
System.out.print(a[i]);
}
}
}

英文叫code

代码其实就是针对不同的软件应用的语言。
比如说一下是一段HTML超文本文档的代码，作用——检测进入此页面的访客系统信息：
<script language="JavaScript" type="text/javascript">
<!--
var newline = "\r\r"
var now = new Date()
var millinow=now.getTime()/1000
var hours = now.getHours()
var minutes = now.getMinutes()
var seconds = now.getSeconds()
var yourLocation=""
now.setHours(now.getHours()+1)
var min=60*now.getUTCHours()+now.getUTCMinutes() + now.getUTCSeconds()/60;
var internetTime=(min/1.44)
internetTime="Internet Time: @"+Math.floor(internetTime)
var clock = "It's exactly "+hours+":"+minutes+":"+seconds+" hours"
var browser = "You are using " + navigator.appName +" "+navigator.appVersion
yourLocation="You are probably living in "+yourLocation
var winwidth= window.screen.width
var winheight= window.screen.height
var screenresolution= "Screen resolution: "+window.screen.width+" x "+window.screen.height
var lastdoc = "You came from: "+document.referrer
var expDays = 30;
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
function Who(info){
var VisitorName = GetCookie('VisitorName')
if (VisitorName == null) {
VisitorName = "stranger";
SetCookie ('VisitorName', VisitorName, exp);
}
return VisitorName;
}
function When(info){
// When
var rightNow = new Date()
var WWHTime = 0;
WWHTime = GetCookie('WWhenH')
WWHTime = WWHTime * 1
var lastHereFormatting = new Date(WWHTime); // Date-i-fy that number
var intLastVisit = (lastHereFormatting.getYear() * 10000)+(lastHereFormatting.getMonth() * 100) +
lastHereFormatting.getDate()
var lastHereInDateFormat = "" + lastHereFormatting; // Gotta use substring functions
var dayOfWeek = lastHereInDateFormat.substring(0,3)
var dateMonth = lastHereInDateFormat.substring(4,11)
var timeOfDay = lastHereInDateFormat.substring(11,16)
var year = lastHereInDateFormat.substring(23,25)
var WWHText = dayOfWeek + ", " + dateMonth + " at " + timeOfDay // display
SetCookie ("WWhenH", rightNow.getTime(), exp)
return WWHText;
}
function Count(info){
var psj=0;
// How many times
var WWHCount = GetCookie('WWHCount')
if (WWHCount == null) {
WWHCount = 0;
}
else{
WWHCount++;
}
SetCookie ('WWHCount', WWHCount, exp);
return WWHCount;
}
function set(){
VisitorName = prompt("Who are you?");
SetCookie ('VisitorName', VisitorName, exp);
SetCookie ('WWHCount', 0, exp);
SetCookie ('WWhenH', 0, exp);
}
function getCookieVal (offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
function SetCookie (name, value) {
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}
function DeleteCookie (name) {
var exp = new Date();
exp.setTime (exp.getTime() - 1);
// This cookie is history
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
var countvisits="You've been here " + Count() + " time(s). Last time was " + When() +"."
if (navigator.javaEnabled()) {
var javaenabled="Your browser is able to run java-applets";
}
else {
var javaenabled="Your browser is not able to run java-applets";
}
function showAlert() {
var later = new Date()
var millilater=later.getTime()/1000
var loadTime=(Math.floor((millilater-millinow)*100))/100
var loadTimeResult= "It took you "+loadTime+" seconds to load this page"
var babiesborn=Math.ceil(loadTime*4.18)
var babiesbornresult="While this page was loading "+babiesborn+" babies have been born"
if (babiesborn==1){babiesbornresult="While this page was loading "+babiesborn+" baby has been born"}
alert
(newline+newline+browser+newline+clock+newline+loadTimeResult+newline+internetTime+newline+screenresolution+newline+lastdoc+newline+countvisits+newline+javaenabled+newline+babiesbornresult+newline+newline)
}
// --></script>

楼上那位举的可能是C语言的代码，偶C语言刚起步，还不是很了解。
总之就是一种软件语言，控制软件做事的，像浏览网页一样，动态网页用ASP的，或是PHP的，用的是ASP语言代码或是PHP语言代码从而让我们看到这些效果，一般来说代码运行是我们看不见的，躲在程序皮肤后面工作的控制语言。

原创答案，如有勘误，请指出，谢谢

代码可以用编译器翻译成机器语言执行，有的是用解释器边翻译边执行。像Java就是先编译再解释执行。

A又叫a可以表示1