Procedures, Parameters & Sub-Programs
In any modern programming language, procedures play a vital role in the construction of any new software. These days, procedures are used instead of the old constructs of GOTO and GOSUB, which have since become obsolete.
Procedures provide a number of important features for the modern software engineer:- Programs are easier to write. Procedures save a large amount of time during software development as the programmer only needs to code a procedure once, but can use it a number of times. Procedures are especially useful in recursive algorithms where the same piece of code has to be executed over and over again.
The use of procedures allows a large and complex program to be broken up into a number of much smaller parts, each accomplished by a procedure. Procedures also provide a form of abstraction as all the programmer has to do is know how to call a procedure and what it does, not how it accomplishes the task.
Programs are easier to read. Procedures help to make programs shorter, and thus easier to read, by replacing long sequences of statements with one simple procedure call. By choosing goo procedure names, even the names of the procedures help to document the program and make it easier to understand.
Programs are easier to modify. When repeated actions are replaced by one procedure call, it becomes much easier to modify the code at a later stage, and also correct any errors. By building up the program in a modular fashion via procedures it becomes much easier to update and replace sections of the program at a later date, if all the code for the specific section is in a particular module. Programs take less time to compile. Replacing a sequence of statements with once simple procedure call usually reduces the compilation time of the program, so long as the program contains more than one reference to the procedure!
Object programs require less memory. Procedures reduce the memory consumption of the program in two ways. Firstly they reduce code duplication as the code only needs to be stored once, but the procedure can be called many times.
Secondly, procedures allow more efficient storage of data, because storage for a procedure's variables is allocated when the procedure is called and deallocated when it returns.
We can divide procedures into two groups:-
Function procedures, are procedures which compute a single value and whose calls appear in expressions
For example, the procedure ABS is a function procedure, when given a number x,
ABS computes the absolute value of x; a call of ABS appears in an expression,
Different application types require the use of various development techniques for a number of reasons. The below are a few such reasons:
However code reuse does come with some drawbacks. One such disadvantage is that you may not own the code segment and have to give credit too or even pay out royalties to a third party for its use. According to (number one) another major drawback is program Maintenance; that if you need to make a change you will have to make the same changes to all copied sections of code and that this creates for a program maintenance nightmare. I have found that from the learning perspective as a student it is not very beneficial to reuse code. All things considered in my opinion I have become more acquainted and experienced with the programming code if I invent a new program creation each time I write a program.
I found out about this exandinary program through my first period, which is Business and Law. The explanation of your program was very detailed and very informing. I would like to start this essay with a brief summary about me and my life. My full name is Jordan Tyrese Bediako I was born on November 5th 2001 to the parents of Mertina and Nicholas Bediako. I have one older sibling named Nicholas, who was apart of the disney dreamers academy; something I hope to do in the foreseeable future. Although I was born in North Carolina, do to be a military child I spent time in Germany, Virgina and eventually came back to North Carolina. As of right now i’m an all A’s student, however I always been a top notch student because I’m determined and I adapt to situations very fast.
OOP requires more discipline, management and training than classic software development does. (Shah 1997, 1) Even though it dominates the tech industry, object-oriented programming is a poorly defined, amorphous concept.
One of the fundamental problems of computer science is sorting a set of items. The solutions to these problems are known as sorting algorithms and rather ironically, “the process of applying an algorithm to an input to obtain an output is called a computation” [http://mathworld.wolfram.com/Algorithm.html].
Type Checking – advantage: if type checking is done at compile time, possible errors are detected ...
Java vs. C++ papers = Since their inception, computers have played an increasingly important role in today’s society. Advancements in technology have enabled computers to become faster and cheaper. Today, the majority of families own a home computer that is vastly more powerful than giant mainframes of years gone by. Computer hardware has been evolving rapidly with no end in sight, and with all of the advancements in computer hardware come advancements in computer software; gone are the days when FORTRAN and COBOL were the languages of choice. Today, vvv two hot new object oriented programming languages have entered the computer programming arena, Java and C++, this paper will examine the similarities and differences between these new languages. Both Java and C++ are object oriented programming languages, but what does that mean? Object oriented programming (OOP) emphasizes data, instead of algorithms for solving problems. Instead of trying to fit a problem to the procedural approach of a language, OOP attempts to fit the language to the problem, in other words, OOP is structured to produce an answer without changing the question. Object oriented programming involves two separate parts, class and objects. Class is a specification that describes a new data form, it is a template that defines how an object will look and behave.(Kaj 1996, 8) An object is that particular data structure constructed using the parameters defined by class.(Prata 1995, 5) The object oriented programming approach to program design is to first design classes that accurately represent those things with which the program deals. A drawing program, for example, might define classes to represent rectangles, lines, circles, brushes, pens, and the like. The class definitions, recall, include a descriptions of permissible options for each class, such as moving a circle or rotating a line.(Prata 1995, 5) The main advantages of OOP, besides being able to create more complex software, and develop answers without changing the questions, are numerous. OOP facilitates creating reusable code, which can save a lot of work. Information can be hidden to safeguard data from improper access. Polymorphism lets the programmer create multiple definitions for operators and functions, with the programming context determining which definition is used, also Inheritance lets the programmer derive new classes from older ones.
obect orientated programming has many advantages, one of these is the fact that the objects created : Jeffrey L. Popyack (2012) "can easily be reused in other programs." The Saylor Foundation also states that object orientated programming allows “Improved software-development productivity" and "Improved software maintainability” through the modular structure of the development.
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The software crisis of the 1980’s is a clear example of what using inappropriate programming techniques in software development can cause. Even though tools and techniques have advanced, a software crisis can still occur if no programming techniques are used or used incorrectly.
However, programmatic approach does not come without drawbacks. One of the assumptions of programmatic approach is
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After my twelfth grade, the inherent ardor I held for Computer Sciencemotivated me to do a bachelors degree in Information Technology. Programming and Math, a paragon of logic and reasoning have always been my favorite subjects since childhood. I still vividly remember the time during my graduation,when I was successful in creating a simple calculator application as a class assignment.The joy I derived from creating something that is used by a lot of people to help them perform complex calculations,made me realize the power of computing in its true sense.It was also in my graduation that I developed an immense interest in programming languages such as Java, C++ an...
Software engineering is important in today’s society because we use the products of software engineering almost daily. We use the products of software engineering in objects as simple as our car keys to objects as complicated as supercomputers. The past, present, and future of software engineering is quite interesting. This paper will provide information about this field of study and why software engineering is going to be around a while.