这些库主要方便开发，比如简化集合的使用等
1）commons-collections4
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>4.4</version>
</dependency>
2）guava
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>30.1-jre</version>
</dependency>
3）commons-lang3
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.11</version>
</dependency>
4）easy-random-core
<dependency>
<groupId>org.jeasy</groupId>
<artifactId>easy-random-core</artifactId>
<version>5.0.0</version>
</dependency>
5）resilience4j-spring-boot2
<dependency>
<groupId>io.github.resilience4j</groupId>
<artifactId>resilience4j-spring-boot2</artifactId>
<version>1.6.1</version>
</dependency>
原文：https://www.cnblogs.com/756623607-zhang/p/14198900.html