Java Tutorial/JSP/for
Содержание
Finding Average Grades
<source lang="java">
<HTML>
<HEAD> <TITLE>Finding Average Grades</TITLE> </HEAD> <BODY>
Finding Average Grades
<%
double grades[] = {8, 9, 7, 6, 5, 4};
double sum, average;
sum = 0;
for (int i = 0; i < grades.length; i++) {
sum += grades[i];
}
average = sum / grades.length;
out.println("Average grade = " + average);
%>
</BODY>
</HTML></source>
Using the for Statement
<source lang="java">
<HTML>
<HEAD> <TITLE>Using the if Statement</TITLE> </HEAD> <BODY>
Using the if Statement
<%
int loopIndex;
for (loopIndex = 1; loopIndex <= 10; loopIndex++) {
out.println("This is iteration number "
+ loopIndex + "
");
}
%>
</BODY>
</HTML></source>
Using Two Loop Indexes
<source lang="java">
<HTML>
<HEAD> <TITLE>Using Two Loop Indexes</TITLE> </HEAD> <BODY>
Using Two Loop Indexes
<%
for (int i = 0, doubleIndex = 0; i <= 10; i++, doubleIndex = 2 * i) {
out.println("i: " + i + " doubleIndex: " + doubleIndex + "
");
}
%>
</BODY>
</HTML></source>
Your for statement to loop through an array
<source lang="java">
<HTML>
<HEAD> <TITLE>My First JSP</TITLE> </HEAD> <BODY>
Using the if Statement
<%
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></source>
