开发工具分享
  • 首页
  • 计算科学
  • 文化旅游
  • 项目和网站
    • OSSEZ 计算技术
    • USRealEstate 社区
    • 地区文化
    • CWIKI.US
    • BUG.OSSEZ.COM
    • RSS.OSSEZ.COM
CWIKIUS.CN
一个有独立思考和温度的清新站
  1. Home
  2. Computer Science
  3. This article

Java 如何返回一个指定范围的随机数

2018年12月30日 1029Browse 0Like 0Comments

希望返回的随机数为整数。

Java 如何返回指定访问内的随机数。

比如说 1 到 100

可以考虑使用下面的代码:

int startInclusive = 1;
int endExclusive = 100;

logger.debug("min <= R <= max - [{}] ", RandomUtils.nextInt(startInclusive, endExclusive));

 

使用 RandomUtils 类中定义的方法,RandomUtils 定义在下面的 Package 中

 

org.apache.commons.lang3.RandomUtils

Utility library that supplements the standard Random class.

Since: 3.3

程序输出为:

2018/12/30 17:01:57 DEBUG [com.ossez.codebank.lang.tests.NumberTest] - min <= R <= max - [42]

https://www.cwiki.us/pages/viewpage.action?pageId=41684032

Tags: Java
Last updated:2024年08月29日

HoneyMoose

有温度的人文和独立的思考

Like
< Previous
Next >

Comments

Cancel reply

Archives
  • May 2026
  • April 2026
  • March 2026
  • February 2026
  • January 2026
  • December 2025
  • November 2025
  • October 2025
  • September 2025
  • August 2025
  • July 2025
  • June 2025
  • May 2025
  • April 2025
  • March 2025
  • February 2025
  • January 2025
  • December 2024
  • November 2024
  • October 2024
  • September 2024
  • August 2024
  • July 2024
  • June 2024
  • May 2024
  • April 2024
  • March 2024
  • February 2024
  • January 2024
  • December 2023
  • November 2023
  • October 2023
  • September 2023
  • August 2023
  • July 2023
  • June 2023
  • May 2023
  • April 2023
  • December 2022
  • November 2022
  • October 2022
  • September 2022
  • August 2022
  • May 2022
  • April 2022
  • March 2022
  • February 2022
  • January 2022
  • December 2021
  • November 2021
  • October 2021
  • September 2021
  • August 2021
  • July 2021
  • June 2021
  • May 2021
  • April 2021
  • March 2021
  • February 2021
  • January 2021
  • December 2020
  • November 2020
  • October 2020
  • September 2020
  • August 2020
  • July 2020
  • June 2020
  • May 2020
  • April 2020
  • March 2020
  • February 2020
  • January 2020
  • December 2019
  • November 2019
  • October 2019
  • September 2019
  • August 2019
  • July 2019
  • June 2019
  • May 2019
  • April 2019
  • March 2019
  • February 2019
  • January 2019
  • December 2018
  • November 2018
  • October 2018
  • September 2018
  • August 2018
  • July 2018
  • June 2018
  • May 2018
  • April 2018
  • March 2018
Categories
  • Computer Science (2,362)
    • Confluence (663)
    • Gradle (12)
  • U.S. (482)
  • 文化旅游 (145)

COPYRIGHT © 2020 CWIKIUS. ALL RIGHTS RESERVED.

THEME KRATOS MADE BY VTROIS

湘ICP备2020018253号-1