Show Me HOW DO I GENERATE RANDOM NUMBERS WITHIN A SPECIFIC RANGE IN JAVA
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Video Source: www.youtube.com/watch?v=P0vBStPfiG8
Show me how do I generate random numbers within a specific range in Java? Is there a more efficient solution? What is the best solution? Are there any security concerns to watch out for? Should I be concerned about using secure random? How can I seed the random number generator and will it make a difference in my output? Watch now and find out!! • #IT #Development #SoftwareDevelopment #JavaProgramming #JavaTutorial #AppplicationSecurity #AppSec #appsecurity #informationsecurity #infosec #randomnumber #randomnumbers #javahowto #javalanguage #securerandom #development #informationsecurity #infosec • Chapters • 00:00 Introduction • 00:21 Overview • 01:12 Discussion of the solutions • 03:36 Code the solution • 09:52 Application security discussion • So the question we address in this video is how do we generate random integers within a specified range in Java? • Generating random integers can be useful for many purposes. • You can use it to generate test data for your application or for input into your applications when doing analysis. • When you generate random numbers, you often want to restrict them to a particular range. • For example, if you're generating test grades, zero to 100, would be the proper range. • So how can we generate a random set of integers within a particular range? • The math class provides a method called random that generates a double value in the range of zero up to but not including one. • Since the numbers double, you have to do some work to convert it to an end. Using a formula like we see below will do the job. • You set your min value to some value like the integer zero, and the max is something like the integer 100 And you multiply the value from the call to math dot random times max minus min value plus one. • Cast that to an integer and add back in the min value. • This will give you a value in the range that you're interested in. • While this technique works well, it's a bit cumbersome in Java has evolved over the years and some new techniques have been added that are simpler. • Java eight introduced a new method to the java util random class Ints. With the Ints method, you can specify a lower bound and an upper bound for the range. java random number generator java secure random java random class how do i generate random numbers in java
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