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By Avinash Kak
Note: Ripped from IEEE Xplore.
Your crucial comparative method of studying C++ and Java
Programming with items: A Comparative Presentation of Object-Oriented Programming with C++ and Java, a comparative presentation of object-oriented programming with of the most well-liked programming languages of this day, teaches important talents and strategies for the net age. in line with hugely winning classes taught via the writer, this ebook solutions the necessity for a complete academic application almost about object-oriented programming. In a transparent and obtainable structure, the writer compares and contrasts either languages, from simple language constructs to how either languages are utilized in application-level programming, similar to images programming, community programming, and database programming.
Since either C++ and Java have been born out of a similar language, C, studying those languages jointly has numerous designated advantages:
* simply because they've got a lot in universal on the point of uncomplicated language constructions, studying C++ and Java jointly saves time and allows the mastery of each
* studying against this and comparability will be extra effective and relaxing, permitting readers entry to the strengths and weaknesses of either languages
* studying to put in writing a application in a single language that corresponds to a given application within the different language permits scholars to take on tougher tasks in both language
* evaluating related options within the languages results in a deeper knowing of the techniques in both
Roughly the 1st 1/2 the textual content is dedicated to simple language matters. extra complex issues are distinctive within the moment part, together with programming of graphical consumer interfaces, multithreading, community programming, and database programming.
Designed as a textual content for tutorial courses in complicated programming and as a reference for pros imposing internet- and Internet-based functions, Programming with gadgets: A Comparative Presentation of Object-Oriented Programming with C++ and Java can also be steered for programmers conversant in both language who desire to extend their programming talents.
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Extra info for Programming with Objects: A Comparative Presentation of Object Oriented Programming with C++ and Java
Sample text
Ss User { }; . } (1) User u( .... ) ; Object construction: User q = new User( Object construction: .... ); (2) User* p = new User( .... 1 Consider first the C++ case: With the constructor invocation labeled as (1), we can think of u itself as the User object. 2. On the other hand, the constructor invocation labeled as (2) in the C++ column results in the creation of a memory location where p's value - a memory address - is stored and in the filling up of a block of memory where the User object created on the right-hand side of the assignment operator is stored.
In line (C) is the member access operator. This is the only operator available for member access in Java. Here is a working Java program that does the same thing as the C++ programs of the previous section: IIUser. print(); II(E) } } Note that we now have two classes, in lines (D) and (E), defined in the same file called User. java. In keeping with our explanation in the last chapter, we compile this file by using the invocation j avac User. java The compilation will deposit the bytecode for the classes User and Test in the files User.
The data member that is associated with an array object is length. When we access this data member through the call data. length, we can determine the length of the array data. Also note from the above examples that C++ and Java have exactly the same way of commenting code. You can either use the C-style comment delimiters /* .... */ or / /. However, the latter can only be used for comments on a single line, because the compiler will not see any characters past / /. With regard to comments in Java programs, a special tool called j avadoc can automatically generate documentation for your program using text that is delimited by /** and */.