There are a lot of ways to exchange information between two systems written in different technologies.
The first way is using CSV (comma separated values): it is a simple text file (in windows is opened by excel) that contains a table having fields split by a fixed character specified before than this file is written.
There are a lot of libra [...]
This is a schema of a simple java application
1 Presentation layer
The presentation layer is the software to show web pages and to allow the user interaction it is a http client called browser (for example mozila firefox or google chrome or microsoft internet explorer) this software executes a http request and processes the res [...]
The first way invented to allow at computer client to call a remote method present on the computer server was RMI, after was created the middleware CORBA and now the most used way to make the communication between client and server is web services.
A middleware is another layer of iso-osi that is over the fourth layer (transport) and h [...]
The most largely used architecture for web applications is “Client server” and the communication between both participants is the following: Client sends a request to the server which will process this data and sends the response
Typical Example is google: when you search a word, the server answers to your question and sends the r [...]
Yesterday I added to my Java project (temporany name: “AffittaVetrina”) three important technologies:
JPA (Java persistence API) is a specific ORM (object relational mapping) for JAVA
this technology is used for mapping the table of DB in java classes that are also serializable, for these reasons jpa is used with web services.
Now in my encryptable notepad is possible to execute java code from string!!!
you can edit java code and execute it at runtime!!
To execute this function it is necessary to lunch my notepad (see this page) and select the following menu: “edit”->”execute java code” in witch you can press the button to show an exampl [...]