• 首先是要有jdk 安装：
• 这里是oracle的，不是openjdk ，
• 
  【ubuntu24.04】安装oracle javasdk

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官方说可以直接跑

root@k8s-master-pfsrv:/home/zhangbin/perfwork/drools/drools-distribution-8.44.0.Final/examples# ./runExamples.sh 
Usage: ./runExamples.sh
For example: ./runExamples.sh
Some notes:
- Working dir should be the directory of this script.
- Java is recommended to be JDK and java 6 for optimal performance
- The environment variable JAVA_HOME should be set to the JDK installation directoryFor example