Java/JSP/Array — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 07:10, 1 июня 2010
Creating an Array
<HTML>
<HEAD>
<TITLE>Creating an Array</TITLE>
</HEAD>
<BODY>
<H1>Creating an Array</H1>
<%
double accounts[];
accounts = new double[100];
accounts[3] = 119.63;
out.println("Account 3 holds $" + accounts[3]);
%>
</BODY>
</HTML>
Demo for loop
<%--
Copyright (c) 2002 by Phil Hanna
All rights reserved.
You may study, use, modify, and distribute this
software for any purpose provided that this
copyright notice appears in all copies.
This software is provided without warranty
either expressed or implied.
--%>
<%!
static final String[] COLORS = {
"#CA9A26",
"#3BF428",
"#F7E339",
"#FF40FF",
};
%>
<%
for (int i = 0; i < COLORS.length; i++) {
String color = COLORS[i];
%>
<div style="background-color: <%= color%>;
font-size: 12pt;
font-weight: bold;">
This is color <%= color %>
</div>
<% } %>
Int array
<HTML>
<HEAD>
<TITLE>My First JSP</TITLE>
</HEAD>
<BODY>
<H1>Using the if Statement</H1>
<%
int array[] = {1, 2, 3, 4, 5}, sum = 0;
for (int i = 0;
i < array.length;
sum += array[i++]);
out.println("The average = " + sum / array.length);
%>
</BODY>
</HTML>
Using Multidimensional Arrays
<HTML>
<HEAD>
<TITLE>Using Multidimensional Arrays</TITLE>
</HEAD>
<BODY>
<H1>Using Multidimensional Arrays</H1>
<%
double accounts[][] = new double[2][100];
accounts[0][3] = 11.09;
accounts[1][3] = 19.07;
out.println("Savings Account 3 holds $" + accounts[0][3] + "<BR>");
out.println("Checking Account 3 holds $" + accounts[1][3]);
%>
</BODY>
</HTML>
