javac helloworld/HelloWorld.java to compile
java helloworld/HelloWorld to run
- https://www.freecodecamp.org/news/java-unit-testing/
- https://stackoverflow.com/questions/42947613/how-to-resolve-unneccessary-stubbing-exception
- https://github.com/spring-guides/gs-rest-service/tree/main/complete/src/main/java/com/example/restservice
- https://dzone.com/articles/how-can-we-read-a-json-file-in-java
- https://mkyong.com/java/json-simple-example-read-and-write-json/
- https://mkyong.com/java/how-to-convert-java-object-to-from-json-jackson/
- https://www.baeldung.com/jackson-deserialization
- https://stackoverflow.com/questions/9829403/deserialize-json-to-arraylistpojo-using-jackson
- https://www.geeksforgeeks.org/check-if-a-value-is-present-in-an-array-in-java/
- https://stackoverflow.com/questions/1217228/what-is-the-java-equivalent-for-linq