Java Vs C Term paper

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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.  When using OOP, the

programmer can focus on representing concepts, instead of concentrating

on tasks.  (Prata 1995, 6)

 Java, although in many respects similar

to C++, is actually just a more simplified version of the latter. 

Java has a C++ like syntax, but it is more purely object oriented, also,

memory management, which can be a problem with C++, is no longer a factor

with Java, due to the fact that Java incorporates a built in garbage collector,

which makes it unnecessary to explicitly free allocated memory.(Kaj 1996,

1)  Another difference is that Java, unlike C++, does not contain

pointers.(http://www.ftc.nrcs.usda.gov/devtools/java/java/noMoreC/index.html)

(A pointer is a  variable that tells a computer where data is placed.)(Prata

1995, 93)  Java does not have an explicit pointer type, instead, it

does passes all arrays (information entered into the program and stored

in memory) and objects  by reference,(http://www.ftc.nrcs.usda.gov/devtools/java/java/noMoreC/index.html)

meaning that the objects or arrays in question have been defined elsewhere

in the program, and the programmer does not have to keep pointing out wh

ere that information is stored. 

Since Java does not contain pointers, struct and union (two C++ favorites)

are not part of the language because they rely on pointers to function.(http://www.ftc.nrcs.usda.gov/devtools/java/java/noMoreC/index.html)

 Java differs from C++ in other ways

too, command line arguments that are passed to a Java application are...

You should cite this paper as follows:

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