Reusability in procedural programming pdf

We can not say that oop is always better than a procedure. What we have looked at so far has been procedural programming. The manual writer thought of objects first then actions. Asagba, prince oghenekaro 42 these control structures are quite adequate for any kind of processing, or any combination of decisions, or any type of logic manipulations without exhibiting backtracking.

Procedures, also known as routines, subroutines, or functions, simply contain a series of computational steps to be carried out. As with any design task, designing reusable classes requires judgement. Ad hoc code reuse has been practiced from the earliest days of programming. Programmers have always reused sections of code, templates, functions, and procedures. Advantages and disadvantages of object oriented programming. Procedural vs object oriented programming think simple.

Why is objectoriented programming more recommended than. Other languages implement the concept of objectoriented programming with inheritance and. Since everything is treated as objects, so we can model a realworld concept using oop. It is easy to access and change the data in procedural oriented programming. For the reasons mentioned above, objectoriented software is also easier to maintain. Pdf objectoriented programming and reusability researchgate. Two examples of popular objectoriented programming languages. A reusabilitybased software development environment. A comparison of reuse in objectoriented programming and. Programming languages are designed to help bridge this gap. Python, an object oriented programming oop, is a way of programming that focuses on using objects and classes to design and build applications major pillars of object oriented programming oop are inheritance, polymorphism, abstraction, ad encapsulation. Pdf this report discuss about the differences of object oriented programming and procedural.

A comparative analysis of structured and objectoriented programming methods corresponding author. A comparative study on the effect of multiple inheritance. Our main thesis is that objectoriented design is the most promising technique now known for attaining the goals of extendability and reusability. Programming paradigms lectures on highperformance computing for economists vii jesus fern andezvillaverde,1 pablo guerr on,2 and david zarruk valencia3 november 18, 2019 1university of pennsylvania 2boston college 3itam.

When we solve a problem we try to apply the solution to similar problems because that makes our work easy and simple. A procedural language is a type of computer programming language that specifies a series of wellstructured steps and procedures within its programming context to compose a program. It depends on the type of problem domain you are into. Finally, we briefly speculate on what may come after objectoriented programming and. Difference between procedure orientedpop and object oriented programmingoop we all know there ex 2 approaches to write a program ist 1 procedure oriented programming pop and 2 object oriented programming oop. Indeed, software components designed in oop is easier to be reused than those designed in conventional programming. Procedural programming if you have taken a course in c, visual basic, pascal, fortran, cobol etc.

We organize information in ways that fit an application as it exists in the real world. Control base classes once you have determined that creating a new control is the way to go, its time to select a base class. Main paradigms in scienti c computation many others for other elds. In procedural programming, the focus of the programs was to solve a problem. The scalability problem arises when the application becomes large and complex, and working with programs becomes difficult because of the. Object oriented programming 7 purpose of the coursepurpose of the course to introduce several programming paradigms including objectoriented programming, generic programming, design patterns to show how to use these programming schemes with. It contains a systematic order of statements, functions and commands to complete a computational task or program. The programmes written with oop are really easy to understand. Rine george mason university 4400 university drive fairfax, virginia 220304444 1. In his article all evidence points to oop being bullshit john barker says the following. Objectoriented programming uses classes and objects, procedural programming takes on applications by solving problems from the top of the code down to the bottom. Object oriented programming or oop is a programming paradigm that uses.

When it comes to solving the problem of codedata separation, the use of object oriented programming has played a big role in the rising of object reusability. Nearly every new operating system that has recently arrived or is scheduled to arrive soon. Write a 2 to 3page paper that compares and contrasts procedural programming modules and objects. Enhancing iconic program reusability with object sharing. Procedural programming creates a step by step program that guides the application through a sequence of instructions.

Object oriented programming procedural based programming is derived from structural programming based on the concepts of functionsprocedureroutines. But the stateoftheart software reusability in most oop. A paradigm is the preferred approach to programming that a language supports. Objectoriented programming, software reuse, data persistence, software specification. It is a new way of organizing and developing programs and has. The opposite concept of reusability is leverage, which modifies existing assets as. Procedural program can be very easy to write with less overhead if the requirement is small and the lines of code are going to be mana. In oop, the concept of inheritance provides the idea of reusability. Advantages and disadvantages of objectoriented programming oop this reading discusses advantages and disadvantages of objectoriented programming, which is a welladopted programming style that uses interacting objects to model and solve complex programming tasks. Object oriented programming oop is an approach to program organization and development. Selecting which base class to inherit from when creating a new control is contin. Procedural programming which at times has been referred to as inline programming takes a more top down approach to programming. The flow of the program jumps to the function method, executes the code within the module, and then returns to the next statement in the main flow of the program. Oops reuse the code higher than procedural programming.

Procedure oriented programming basically consists of writing a list of instructions for the computer to follow, and organizing these instructions into groups known as functions. Software reusability term paper software reusability is generally considered a way to solve the software development crisis. Pdf object oriented programming vs procedural programming. Some of the advantages of objectoriented programming include. There is a wide range of programming languages in use today, but they all serve the same basic purpose they try to make it easier for a programmer to express a. Pdf these slides on software reuse and objectoriented programming are part of the course lingi2252 software maintenance and. This is going to be a bit long answer since this is a vast topic and i will also point out the difference of using reusability during software and hardware coding.

Advantages and disadvantages of object oriented programming language. Difference between conventional and object oriented language. Objectoriented programming where the data would be stored when the class was loaded. Code reusability, an important feature of objectoriented programming oop, is enabled through inheritance, polymorphism, and information hiding.

Object oriented programming oop is an approach to program organization and development that attempts to eliminate some of the pitfalls of conventional programming methods by incorporating the best of structured programming features with several powerful new concepts. In wpf, you can create custom controls based on a number of base classes, including control, usercontrol, and frameworkelement. Structure programming has been the traditional way of programming. Any given procedure might be called at any point during a programs execution, including by other procedures or itself. However, one thing that was learnt about reusability is to try and think of reusability in the small rather then reusability in the big. In oops, we can inherit the existing functionality from parent, but. A comparative analysis of structured and objectoriented. This matters a lot when you have a loop running from 0 to 000 25 times in every second. Programming paradigms university of pennsylvania school. The imperative, also called the procedural, programming paradigm expresses computation by fullyspecified and fullycontrolled manipulation of named data in a stepwise fashion. The main difference between conventional and object oriented language is. Object oriented programming has become an important and accepted part of the computer software industry.

What is a good way to identify in advance a project that would be better served by a procedural programming approach. Generally, code is executed from the top of the file to the bottom in procedural programming. Reusability security in terms of hiding code passing of data versus data encapsulation. For examples, mango, apple and orange members of class fruit. This paper describes how to improve the reusability of iconic program. Concepts and paradigms of objectoriented programming. What is the difference between procedural and oo programming. There is a wide range of programming languages in use today, but they all serve the same basic purpose they try to make it easier for a programmer to express a human problem in terms that a computer is capable of understanding. A method for assessing the reusability of objectoriented. Repair, reuse, recycle objectoriented programming eecs. In computer science and software engineering, reusability is the use of existing assets in some form within the software product development process. We normally use flowcharts to organize these actions and represent the flow of control from one action to another. Therefor e, in order to improve reusability, we need to cut the cords and figure out ways of building autonomous components that can think and act on their own. Objectoriented finite element programming for engineering.

One of the promises which oop objectoriented programming holds is that it enhances software reusability. As mentioned earlier a key advantage of objectoriented programming is its reusability and maintainability. A method for assessing the reusability of objectoriented code using a validated set of automated measurements fatma dandashi mitre corporation 7515 coleshire dr. Object oriented uses object to design applications and computer programs. Although this method is simple and easy in theory it presents many problems to new developers. Code reusability has become a valuable part of adding efficiency to computer programming. Reusability or lack of it is not bound to any specific programming paradigm. Unfortunately, many concurrentstructural modeling systems pro vide few mechanisms to create flexiblereusable components. With procedural programming the program would wait until the flow of the program got to the data vs. Software reuse as a recognized area of study in software engineering, however, dates only from 1968 when douglas mcilroy of bell laboratories proposed basing the software industry on reusable components. It supports single and multiple inheritance in which a child class can inherit the. So, abstraction of oops is higher than procedural programming. Hide the private data to outer logic main concern in programming logic.

Other languages implement the concept of objectoriented programming with inheritance. Advantages and disadvantages of objectoriented programming. Difference between objectoriented and procedural programming. In procedural programming the data is not the focus and would not be introduced until needed in the program.

In both paradigms, the basic goal is to pr ovide developers with the tools they need. With inheritance, an object can be extended and code from the parent object can be reused or overloaded in the child object. Procedural programming is also called linear programming. A procedural programming includes functions methods that can be called from the main flow of the program.

1215 1192 366 470 518 328 971 1555 689 863 315 857 1040 1136 1256 817 1193 1140 190 1193 926 498 139 557 1122 1142 1124 53 1450 565 182 786 1141 1330 1339 1391 1011 869 810 845 945 1238 1403 324 384 502 1166 582