The increment operator (++) provides a shortcut to increase the value of a variable by one.The decrement operator (--) simply subtracts a value of one from a variable.The increment and decrement operators are helpful when used with loop counter variables.
The value of ++i is 5
The value of --i is 4
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<html> <head> <title>Increment and Decrement Operator</title> </head> <body> <h3>Using Increment Operator</h3> <% int i=4; %> <p> The value of <b>i</b> is <%=i%> <br> The value of <b>++i</b> is <%=++i %> <p> <h3>Using Decrement Operator</h3> <p> The value of <b>i</b> is <%=i %> <br> The value of <b>--i</b> is <%=--i%> </body> </html>
Description:
- Assign an initial integer value to a variable.This variable will be used to illustrate the increment and decrement operators.
- Type the increment operator (++) before the variable name and use the Expression tag to print the result to the Web page.The variable will be incremented by one before it is displayed.
- Type the decrement operator (--) before the variable name and use the Expression tag to print the result to the Web page.The variable will be decreased by one before it is displayed.
*******************************OUTPUT****************************************
Using Increment Operator
The value of i is 4The value of ++i is 5
Using Decrement Operator
The value of i is 5The value of --i is 4
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