Method 1(Data Type) (minimum value + math. Random () * (maximum value-Minimum value + 1 ))Example:(INT) (1 + math. Random () * (10-1 + 1 ))INT-type numbers from 1 to 10Method 2Obtain Random NumberFor (INT I = 0; I {System. Out. println (INT) (1 +
This paper mainly introduces 3 kinds of methods of obtaining random number in Java, mainly using random () function to realize
Method 1
(data type) (Minimum +math.random () * (maximum-min +1)) Example:
(int) (1+math.random () * (10-1+1))
Copyright:Original works. If you need to reprint them, please contact the author. Otherwise, legal liability will be held.
Java random number SummaryRandom numbers are widely used in practice. For example, a fixed-length string or number
How to generate Java random numbers
In Java, the concept of random numbers in general, there are three kinds.1, through System.currenttimemillis () to obtain a current time of the number of milliseconds long number.2. Returns a double value from 0
Home users may have used Chinaren's transcript. Not long ago, the system added a method to its guestbook to prevent bumping, that is, every time the system generates an image consisting of random numbers and letters, you must enter these random
Asp.net| Random | Application Examples Everyone may have used the Chinaren alumni, not long ago its guest book added a method to prevent irrigation, that is, each time the system produces a random number and letters of the picture, each message must
How to generate random numbers in C/s + +: The rand () function, the Srand () function, and the random (int number) function in the C language/c++ are used here. (1) If you want to generate random numbers without setting the range, you can just use
How to generate random numbers in C/s + +: The rand () function, the Srand () function, and the random (int number) function in the C language/c++ are used here.(1) If you just want to generate random numbers without setting the range, you just have
How to generate random numbers in C/s + +: The rand () function, the Srand () function, and the random (int number) function in the C language/c++ are used here.(1) If you just want to generate random numbers without setting the range, you just have
How to generate random numbers in C/s + +: The rand () function, the Srand () function, and the random (int number) function in the C language/c++ are used here.(1) If you just want to generate random numbers without setting the range, you just have
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.