Java Tutorial/JSP/If
Содержание
Nested if Statements
<source lang="java">
<HTML>
<HEAD> <TITLE>Nested if Statements</TITLE> </HEAD> <BODY>
Nested if Statements
<%
double value = 2;
if (value != 0) {
if (value > 0)
out.println("The result = " + (1 / value));
else
out.println("Sorry, we need a positive number.");
}
%>
</BODY>
</HTML></source>
Using an if-else Ladder
<source lang="java">
<HTML>
<HEAD> <TITLE>Using an if-else Ladder</TITLE> </HEAD> <BODY>
Using an if-else Ladder
<%
String day = "Friday";
if(day == "Monday")
out.println("It\"s Monday.");
else if (day == "Tuesday")
out.println("It\"s Tuesday.");
else if (day == "Wednesday")
out.println("It\"s Wednesday.");
else if (day == "Thurssday")
out.println("It\"s Thursday.");
else if (day == "Friday")
out.println("It\"s Friday.");
else if (day == "Saturday")
out.println("It\"s Saturday.");
else if (day == "Sunday")
out.println("It\"s Sunday.");
%>
</BODY>
</HTML></source>
Using Compound Statements
<source lang="java">
<HTML>
<HEAD> <TITLE>Using Compound Statements</TITLE> </HEAD> <BODY>
Using Compound Statements
<%
int value = 10;
if(value > 0) {
out.println("The number was positive.");
out.println("Absolute value of " + value + " = " + value);
}
%>
</BODY>
</HTML></source>
Using the if Statement
<source lang="java">
<HTML>
<HEAD> <TITLE>Using the if Statement</TITLE> </HEAD> <BODY>
Using the if Statement
<%
int value = 10;
if(value > 0)
out.println("Absolute value of " + value + " = " + value);
%>
</BODY>
</HTML></source>
