java script destructuring

  var person = {name: "Sarah", country: "Nigeria", job: "Developer"};

    var {name, friends, job} = person;

    console.log(name);//"Sarah"

    console.log(friends);//undefined

       var person = {name: "Sarah", country: "Nigeria", job: "Developer"};

    var name, country, job;

    ({name, country, job} = person);

    console.log(name);//"Sarah"

    console.log(job);//"Developer"

jax rs tutorial

https://howtodoinjava.com/jersey/jersey-restful-client-examples/

getting query string in jax rs

https://www.mkyong.com/webservices/jax-rs/jax-rs-queryparam-example/

My sql tutorial link

http://www.mysqltutorial.org/mysql-select-statement-query-data.aspx

java optional tutorial

https://www.callicoder.com/java-8-optional-tutorial/

How do you access the value of an SQL count () query in a Java program

https://stackoverflow.com/questions/2763659/how-do-you-access-the-value-of-an-sql-count-query-in-a-java-program

Use aliases:

SELECT COUNT(*) AS total FROM ..

and then

rs3.getInt("total")

cloud formation tutorial

https://medium.com/boltops/a-simple-introduction-to-aws-cloudformation-part-1-1694a41ae59d

https://medium.com/boltops/a-simple-introduction-to-aws-cloudformation-part-1-1694a41ae59d