Get started modeling entities and relationships for Java data persistence, using an example application based ... Most concepts can be extended to other Java persistence frameworks.

It is a common requirement to format currencies to two decimal places. /* Code example to print a double to two decimal places with Java printf */ System.out.printf("I love %.2f a lot!", Math.PI); ...

In this JAX-RS tutorial, we will go back to basics by developing the exact same application, except this time we'll use standard Java EE APIs and the extended ... web service example in Java using ...