cd to main folder: java-playground, so far contains the following demos:

• JDK 21 / 22 and spring boot 3.2.x
• JDK new features:
  • native memory access
  • vector calculation
  • record
  • virtual thread
  • string templates
  • unnamed variables
  • scoped value
• eclipselink JPA
• sharding sphere
• openapi with swagger UI
• websocket
• open feign
• quartz
• easyexcel
• jmdns
• skywalking tracing, log
• maven docker build task
• eth RPC client
• a wolfram client
• spring boot client, a spring boot server docker image can be found here
• jmh performance test
• jasypt-spring integration using my another project
• a openai client using my another project
• AWS lambda function demo
• zstd-jni lib
• Spring AI

run:

cd java-playground
mvn spring-boot:run -DskipTests # use mysql as datasource, or
mvn spring-boot:run -DskipTests -Dspring-boot.run.profiles=embedded # use in memory db as ds