uml作业及复习题

1.Please explain SDLC and the phases of SDLC.

SDLC is a disciplined and systematic software development method

Feasibility analysis; requirement analysis and specification; design; coding;

testing; maintenance

2.What is Waterfall Approach; list all the phases with explanation and draw

Waterfall approach diagram?

Is a linear nature ,once on second phase you can not come back;

Conponent; initiation; analysis; design; construction; integration and testing;

implementation and maintenance;

3.What is Spiral Approach, list all the phases of spiral approach and draw the

Diagram for the same?

Interaction nature

Customer communication; planning; risk analysis; engineering; constroction and release; customer evaluation;

4.List all UML Diagrams, Draw and Explain three diagrams?

Use case; class; object; communication; sequence; state machine; activity;

package; component; deployment; timing; composite structural; interaction overview

5.What is business modeling and System modeling?

Before you make a software you have to learn business;example(hospital)

After you learn the business, you should work on system software,in system modeling you have make SCD

6.Please explain the various views of a software system.

Use case; design; process; implementation; deployment

7.How to identify classes and object.

8. What is difference between abstract class and interface?

Do not support multiple inheritance

A class cannot inherit more than one abstract class

Contains attributes and method

Provide the definition of some of its method

Is used in the same package

Support multiple inheritance

A class can implement more than one interface

Contains only method

Provide any definition

Can be realized across multiple package

9. What is difference between extend relationship and include relationship among use

cases?

Class father class address

class child:father {

string city;

public void city

{

Get;

Set;

}

}

Class student

{

Int phon;

Address a;

}

10. What is the difference between aggregation and composition?

Student classroom studentaccount

12. What is Difference between Static modeling and Dynamic modeling?

Represent static and structural constituents of a system

Include class and object diagram

Helps depicting relationship and dependency between constituents of system

Represent the behavior of static constituents of a system

Include interaction, activity and static diagram

Helps expressing and modeling the behavior of system order a period of time 13. How to group use cases into package?

Group related use cases

Group use cases based on actor that use then

14. How to group classes into package?

(1)package the class that belongs to the same inheritance hierarchy

Package the class that related through composition relationship

Package the class that collaborate and interact with each other to realize use case

15. How to creating state machine diagram?

16. Please explain Sequential Substates and Concurrent Substates.

Sequence: when the object exists in multiple substates at the same time

Concurrent: when the object exists in two substates at a given time

17. What is Framework and Pattern, .List all Different types of Pattern in Order

Framework: contains many class and functions which can use again and again Pattern: set rules which can used to be solve a given problem

GRASP: expert, creator, controller

GOF: creational: factory, builder, singleton

Structor: composite, proxy, decorator, facade

Behavioral: chain of responsibility, command, observer

18. Please explain the quality process.

Quality of the software development process