org.junit.platform.commons.PreconditionViolationException:Class[java8.chapter07.demo01.ForkJoinSum场景问题排查总结场景用分支/合并框架执行并行求和，通过Junit进行测试。packagejava8.chapter07.demo01;importorg.junit.jupiter.api.Test;importjava.util.concurrent.ForkJoinPool;importjava.util.concurrent.ForkJoinTask;importjava.util.concur