Java vs C++: Main Difference You Should Know

Java is among the most favorite programming languages of this time, at the same time C++ is also gaining popularity in the IT world. Both of these programming languages use for different purposes, Java is mostly used for application development, and C++ is used for developing embedded software, Games, desktop applications, and for operating systems.

Most developers prefer Java over C++ programming language to build their software due to its cross-platform, object-oriented, and easy-to-use features. On the other hand, C++ is a fast and portable language for building applications and games. But we understand this is not enough information to answer your query.

What is java programming language?

In computing, Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere" (WORA), meaning that code that runs on one platform does not need to be recompiled to run on another.

What is C++?

C++ is one of the most popular and powerful programming languages in the world. It inherited the best of the C language and improved it with Object-oriented features. In this post, we will discuss about the History and application of C++ as a programming language. As a beginner, you should start with C++ as it is easy to learn and will provide you with a strong foundation in programming.

Java vs C++: Main Difference You Should Know

A widespread misunderstanding is that if two languages seem similar, they must function similarly. While Java and C++ have similar syntax, their execution and processing methods are vastly different.

Interpreted vs. compiled

Java is an interpreted language, meaning that it is "translated" to binary at runtime. This means it can operate on any operating system, no matter where it was created. Because C++ is a compiled language, your application will be compiled for a certain operating system and will only execute on that operating system. You must compile your application on another operating system if you want it to be compatible with it.

Java is a general-purpose computer-programming language and it is concurrent, class-based, object-oriented and specifically designed with a focus on readability. On the other hand, C++ is also a general-purpose computer-programming language, but it supports procedural programming, data abstraction, object-oriented programming and operator overloading. The main difference between Java and C++ is the type system, standard library and design philosophy.

Memory management

For automatic memory management, Java, like most high-level programming languages, supports garbage collection. In C++, you must manually manage memory using predefined operators and pointers.

Memory safe

Because Java is a memory-safe language, attempting to assign values outside of the supplied array parameters will result in an error. C++ is far more adaptable, but it comes at a cost. C++ allows the programmer to assign values outside of the allotted memory resources, although this might lead to run-time problems and crashes.

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Multithreading

In terms of multithreading, the difference between C++ and Java is the level of abstraction available for developing concurrent programs. With the advent of C++11, C++ received support for a standard library for multithreading as a low-level language. Managing POSIX or p threads in C had previously been a difficult task. For building concurrent programs, Java has long supplied more tools and built-in functions. However, because C++ is closer to the hardware, it has a minor performance benefit.

Root hierarchy

In most object-oriented languages, all classes must descend from other classes, with the exception of a single root class that descends from no one. This single inheritance structure is followed by Java. C++ does not have a specific root hierarchy because it is both procedural and object-oriented.

Portability

Java was created with the intention of being platform agnostic. The target system can compile Java into bytecode that can be run in a Java Runtime Environment as long as it has the Java Virtual Machine (JVM) installed (JRE). Because it lacks this standard implementation, C++ is not widely considered portable. C++ source code is typically platform-dependent because it must be compiled on each platform.

We hope you understand the main difference between Java and C++.