In software development and programming world we often needs to generate random numbers, some time random integers in a range e.g. 1 to 100 etc. Thankfully, Random number generation in Java is easy as Java API provides good support for random numbers via java.util.Random class, Math.random() utility method and recently ThreadLocalRandom class in Java 7, along with more popular features like String in Switch and ARM blocks. While random() method seems most convenient way of generating randoms in Java it only return random doubles, on the other hand by using Random, you can generate pseudo-random integer, floating point numbers e.g. double and even random boolean values. In this article Java tutorial, we will see how to generate random numbers in Java, examples to generating random integers and real numbers, and random numbers within a range e.g. between 1 to 6. we will also explore difference between Math.random() and java.util.Random class in Java.
How to Generate Random Numbers in Java between Range - Example Tutorial
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