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Java Or C++ Programming, Which One To Learn | Touchstone Words

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Java versus C object oriented programming languages

By Shane Staret on 2017-12-13

Both Java and C++ are major high-level programming languages that have been used greatly since their creation. Object-oriented programming is possible with both of these languages, meaning that the fundamentals of both are similar. However, there are obviously differences between them. Before looking at the structural differences of Java and C++, one must first understand that both languages were developed to satisfy different issues.

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C++ was a direct successor to C, a programming language that did not encourage object-oriented programming. Thus, C++ was developed as a language that could easily be used for object-oriented programs. Essentially, C++ was an extension of C as it could do everything that C could do, but new features were added to make life easier for the programmer. Thus, we can conclude that while both C and C++ are high-level programming languages, C++ probably is just a bit “higher”. The major reason why C++ was created was to increase efficiency from C and to create advanced software, while allowing programmers to have quite a bit of flexibility regarding how they wanted certain elements of their software to be programmed.

It can also be said that it is possible to not use object-oriented programming or OOP with C++, as the elements that were carried over from C are not necessarily built for object-oriented programming. However, this is untrue for Java as literally everything is considered an object, as everything derives from the “java.lang.Object” class. Likewise, the use of OOP for Python is optional too.

While C++ was directly derived from C and was primarily created for implementation within software, Java’s beginnings were actually quite different. Java was built entirely from scratch, even though C influenced its syntax quite a bit. It was initially built to work with interactive TVs, however, that idea fell through. So instead, Java became popular because it promoted something called, “write once, run anywhere”. Essentially, a program could be written in Java and then could be used on any system that supported Java, as unlike other languages at the time, there was no need to recompile the code initially written. This works because Java is ran through a virtual machine, which is basically a virtual operating system. Java uses its own virtual machine, so the local OS does not actually run and compile the code.

Possibly one of the largest differences between C++ and Java is how they convert the source code written by the programmer into machine language that a computer can actually interpret. In Java, code is compiled into bytecode, which basically is a kind of code that the Java Virtual Machine (JVM) can understand and then convert into machine language. Then, when the Java program is actually ran it invokes the just-in-time (JIT) compiler, which converts the bytecode into machine language. Compiling in C++ is actually a bit more complicated and it is not done through a virtual machine. Instead, it is completed through the local OS. There are four steps in the compilation process: preprocessing, compiling, assembling, and linking. Preprocessing deals with specific lines of code that must be run before the actual C++ program is ran. Thus, preprocessing is completed first. Then, the compiling stage converts the source code into an assembly language‒a low-level language that is much more basic than the original source code‒and creates a new file on the computer. Then, the assembler converts the assembly language into object code, which can change based on what platform the programmer is using to compile their code. This is why the JVM for Java is so revolutionary, because the JVM is the same no matter what kind of computer it is run on, whereas the object code generated by a C++ compiler varies based on the computer used. After the object code is successfully produced, a linker is used to “link” the object code just generated to any libraries that were called within the C++ code. Finally, an executable file is prepared for the computer to actually run.

 

In the end, Java and C++ may seem very similar to an outsider or even to a programmer. While the syntax is slightly different, the two languages can be used to do similar tasks. Both are good for creating software and they both can be used for object-oriented programming. While the inner workings for C++ and Java are quite different and each have unique features, like C++’s inclusion of a “goto” statement, there are not many major differences.

So, you may be wondering what language you should use if they are both similar. Well, as of writing this C++ is the heavily favored language as it is still currently being used for many current applications, like Facebook. Whereas the only real reason Java is not obsolete is due to its use in Android applications. Not only that, but C++ typically runs quicker and has a more predictable runtime. But, possibly the largest reason why C++ may be better to learn than Java is that darn “goto” statement that I mentioned earlier. That statement is surprisingly handy and I swear that every time I am programming in Java I just wish they would implement something similar to it.

 

Programming Languages and Resources for Web Developers
Note, the easiest way to start your coding journey is via web design programming. You should lean coding languages that are in use by millions of sites. HTML, CSS (or HTML5 & CSS3) PHP, MySQL, JavaScript (or JS frameworks like jQuery, Angular, React, Node, or Express) or MongoDB, Apache, Ruby on Rails, and Linux are all related to web design coding. For beginners interested in learning more about web design and development, here are a list of step-by-step training guide articles: i- Become CMS specialist, ii- Become front-end specialist, iii- Become expert SQL developer, iv- Become expert PHP developer


Discussed coding languages are well suited for those interested in pursuing a career in web design and development; however, other options are mobile App design and development, system admin and software engineering. It is advisable to consult with an IT counselor to understand what options best fits your skills. For instance, if you want to be a software engineer, learning HTML and CSS might not fit the bill. Here is an excellent article for learning more on coding and technology career roadmap. Once you know what career path you wish to pursue, you can make a plan on what, when, and how to learn. There are lots of online resources for learning coding and technology in general. For teenagers and high school students, High School Technology Services offers variety of hands-on training. For adults and professionals, Coding Bootcamps and DC Web Makers Companies offer basic to advance project-based programming and technology classes.

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