Java Tutorial/JSP/If

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Nested if Statements

<HTML>
  <HEAD>
    <TITLE>Nested if Statements</TITLE>
  </HEAD>
  <BODY>
    <H1>Nested if Statements</H1>
    <%
        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>





Using an if-else Ladder

<HTML>
  <HEAD>
    <TITLE>Using an if-else Ladder</TITLE>
  </HEAD>
  <BODY>
    <H1>Using an if-else Ladder</H1>
    <%
        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>





Using Compound Statements

<HTML>
  <HEAD>
    <TITLE>Using Compound Statements</TITLE>
  </HEAD>
  <BODY>
    <H1>Using Compound Statements</H1>
    <%
        int value = 10;
        if(value > 0) {
            out.println("The number was positive.");                
            out.println("Absolute value of " + value + " = " + value);
        }
    %>
  </BODY>
</HTML>





Using the if Statement

<HTML>
  <HEAD>
    <TITLE>Using the if Statement</TITLE>
  </HEAD>
  <BODY>
    <H1>Using the if Statement</H1>
    <%
        int value = 10;
        if(value > 0)
            out.println("Absolute value of " + value + " = " + value);
    %>
  </BODY>
</HTML>