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This article mainly introduces how to use Easy Java Persistence 3.6. in daily operation, I believe many people have doubts about how to use Easy Java Persistence 3.6. the editor has consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about how to use Easy Java Persistence 3.6s. Next, please follow the editor to study!

Easy Java Persistence 3.6has been released, which adds laodObject and loadObjects methods to the ejp.Database class, and provides some sample programs.

EJP is a powerful and easy-to-use relational database persistence Java API. The main features of EJP include:

1. Object / Relational (object/relational) automatic Mapping (A-O/RM)

2. Automatically handle all associations

3. Automatic persistence tracking

EJP does not require mapping annotations or XML configuration, and does not need to inherit any classes or implement any interfaces. EJP uses only the Plain Old Java Objects (POJOs) object. EJP is by far the simplest persistence API in Java open source.

Sample code:

Public static void main (String [] args) {DatabaseManager dbm = DatabaseManager.getDatabaseManager (...); dbm.saveObject (new Customer ("Smith", "John")); Customer customer; if ((customer = dbm.loadObject (new Customer ("Smith"))! = null) {customer.getSupport () .add (new Support (...)); dbm.saveObject (customer) } Collection list = new ArrayList (); list = dbm.loadObjects (list, Customer.class);.} at this point, the study of "how to use Easy Java Persistence 3.6" is over. I hope I can solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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