Random numbers are the numbers that are determined entirely by chance. User does not have any control over the working of random numbers.
random() is a method of Math class which extends java.lang package. The Math class contains methods for performing basic numeric operations. random() returns a double value with always a positive sign, it is always greater or equal to 0.0 and less than 1.0. The random number are generated automatically.
In this tutorial we are going to make a use of random() method of the Math class. We are using the number between 10 to 100. It will display you the new automatically generated number. Each time you will refresh the page the new random number will be generated.
The code of the program is given below:
<html> <HEAD> <TITLE>Random in jsp</TITLE> </HEAD> <BODY> <H3 ALIGN="CENTER"> Ramdom number from 10 to 100 : <FONT COLOR="RED"> <%= (int) (Math.random() * 100) %> </FONT> </H3> <H4 ALIGN="">Refresh the page to see the next number.</H4> </BODY> </HTML>
Output of the program:
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