1-Describe the differences in song on purpose and application that present the following elements:

- methodologies,

- frameworks and

-design patterns

within the analysis and design activities of the development process of a software system

2-Describe with the most precise syntax possible the parts that make up the syntactic construct

WSDL "PortType"

3-Write the "Client.java" that uses the Interceptor pattern, according to the FilterHandler.java class that appears in the course material

-public FilterHandler (Target interface)

-public void setFilter (Filter filter)

-public void execute(double request) throws IOException, URIException

4-What exactly do you think the WS-BPEL textual notation can be used for?

5-Write the necessary class or classes, in a familiar object-oriented programming language, to program a general design pattern called: "Singleton". The "Singleton" pattern limits to a maximum of N instances of a given class in the application in which it is used.