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This module introduces concepts and problems on software construction. It refers to the detailed creation of working, meaningful software through a combination of coding, verification, unit testing, integration testing, and debugging.

Introduction

The term software construction refers to the detailed creation of working, meaningful software through a combination of coding, verification, unit testing, integration testing, and debugging.

The software construction is linked to all the other software engineering, most strongly to software design and software testing. This is because the software construction process itself involves significant software design and test activity. It also uses the output of design and provides one of the inputs to testing, both design and testing being the activities. Detailed boundaries between design, construction, and testing (if any) will vary depending upon the software life cycle processes that are used in a project.

Software construction activities

Although some detailed design may be performed prior to construction, much design work is performed within the construction activity itself. Thus the software construction is closely linked to the software design.

Throughout construction, software engineers both unit-test and integration-test their work. Thus, the software construction is closely linked to the software testing as well.

Software construction typically produces the highest volume of configuration items that need to be managed in a software project (source files, content, test cases, and so on). Thus, the software construction is also closely linked to the software configuration management.

Software construction fundamentals

The fundamentals of software construction include:

  • Minimizing complexity
  • Anticipating change
  • Constructing for verification
  • Standards in construction

The first three concepts apply to design as well as to construction. The following sections define these concepts and describe how they apply to construction.

Minimizing complexity

A major factor in how people convey intent to computers is the severely limited ability of people to hold complex structures and information in their working memories, especially over long periods of time. This leads to one of the strongest drivers in software construction: minimizing complexity. The need to reduce complexity applies to essentially every aspect of software construction, and is particularly critical to the process of verification and testing of software constructions.

In software construction, reduced complexity is achieved through emphasizing the creation of code that is simple and readable rather than clever.

Anticipating change

Most software will change over time, and the anticipation of change drives many aspects of software construction. Software is unavoidably part of changing external environments, and changes in those outside environments affect software in diverse ways.

Anticipating change is supported by many specific techniques:

  • Communication methods (for example, standards for document formats and contents)
  • Programming languages (for example, language standards for languages like Java and C++)
  • Platforms (for example, programmer interface standards for operating system calls)
  • Tools (for example, diagrammatic standards for notations like UML (Unified Modeling Language))

Questions & Answers

explanation of working of computer
Gulfam Reply
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Moshiur
Hi
Malak
Hi
Yaw
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Malak
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win
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win
what's going on
Aden
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win
What is software engineering
parfait Reply
explain basic path testing for triangle problem?
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mahefuj Reply
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MOHD
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Aden
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Juhi
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Aden
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Aden
Are you all Indians?
Bade
no I am ethiopian
Aden
please how can I design a game
Funmilayo Reply
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Manoj
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Manoj
પોતાના
Manoj
JOHNBULL
EJE
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win
what is software engineering
Darling Reply
software engineering are company manage
mahefuj
Text editor project in c++
Ayesha Reply
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Sreenu
hello sir
Ranjith
are unmanned flying machines that are built and equipped with various kinds of software systems that allow them to see, hear, and act. Discuss some of the societal challenges of building such kinds of systems.
johni Reply
You have developed a prototype of a software system and your manager is very impressed by it. She proposes that it should be put into use as a production sys tem, with new features added as required. This avoids the expense of system dev immediately useful. Write a short report for your manager expl
johni
You have developed a prototype of a software system and your manager is very impressed by it. She proposes that it should be put into use as a production sys tem, with new features added as required. This avoids the expense of system dev immediately useful.
johni
You have developed a prototype of a software system and your manager is very impressed by it. She proposes that it should be put into use as a production sys tem, with new features added as required. This avoids the expense of system dev immediately useful.
johni
You have developed a prototype of a software system and your manager is very impressed by it. She proposes that it should be put into use as a production sys tem, with new features added as required. This avoids the expense of system dev immediately useful. Write a short report for your manager expl
johni
You have developed a prototype of a software system and your manager is very impressed by it. She proposes that it should be put into use as a production sys tem, with new features added as required. This avoids the expense of system dev immediately useful.
johni
what is cocomo ?
Surabhi Reply
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StReeT
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Trixie
It means constructive cost model
Boris
HI
Masdul
hlo
Anuj
...
Moshiur
hello..
Moshiur
give me coding of these projects
Aman Reply
feasibility study&fact gathering techniques
Nachi Reply
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Mandala Reply
8.10.0.
BARBU
define iterative model. example of iterative model. advantages and disadvantages of iterative model. when to use iterative model
Okello Reply
What is DFD in Software engineering
Hamid
its Data Flow Diagram
Trixie
ok
Anas
hi
Anas
tell me what is a computer
Anas
a computer is an electronic device that accepts input inform of data, processes it under special instructions from the user, to give out the rightful and meaningful output known as information.
bozuki
is an electronic device operating under the control of instructions stored in its own mermory that accept data
Aden
exactly
bozuki
inbuilt instructions....
bozuki
i try out in netbeans this code:public class Profile { private Profile(int w) { // line 1 System.out.println(w); } public final Profile() { // line 5 System.out.println(10); } public static void main(String args[]) { Profile obj = new Profile(50); } } It is the question 5, and the answer is 50
Jacqueline Reply
how to join conversation
Bablu
i need help....Discuss the factors that influence the choice of the software development methodology to use when implementing software projects?(20)
tatenda Reply
The success rate of software development projects can be increased by using a methodology that is adequate for the specific characteristics of those projects.  then the focus on RAD,XP,RUP.
Hemant
hemant hie...it is a presentation i am working on...can you help me wth the introduction....please a powerful one hahahahha
tatenda
yes
Hemant

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Source:  OpenStax, Software engineering. OpenStax CNX. Jul 29, 2009 Download for free at http://cnx.org/content/col10790/1.1
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