C++ vs Java: Which one is better?

C++ and Java are both object-oriented programming languages. But both languages are different in many ways. C++ was executed for application and system development and is an extension of the C language. C++ also added support for object-oriented programming features, exception handling, and generic programming.

Java has the functionality of an interpreter for printing systems that later support network computing. It is built on a virtual machine that is highly secure and portable in nature. It is grouped with a comprehensive library to provide support for the abstraction of existing platforms. The main purpose of developing Java was to use easy and widely available programming language.

Overview of C++ Programming

C++ is a computer programming language that includes the background of the C programming language as well as Simula67 (the first object-oriented language). C++ introduced the concept of class and objects.

It encodes high and low-level language features. So, it is seen as an intermediate-level language. First, it will be “C with classes” because it had all the features of the C language.

Features of C++

  • A wide range of applications varies from simple GUI applications to 3D games and real-time mathematical simulations.

  • Efficient, fast and powerful.

  • Highly portable, a top choice for multi-device, multi-platform development.

  • Object-Oriented Programming Language Classes, Data Bracketing and Incapsulation, Inheritance, and Polymorphism.

  • Rich Function Library.

  • Supports exception handling and function overloading.

Java Overview

Java is a completely object-oriented programming language developed by Sun Microsystems. A small software development team generated this language. The team was known as the Green Team, which started Java in 1991.

Features of Java

  • Designed for distributed computing

  • It’s easy to compile, debugging, learning and writing

  • Multi-threaded, able to perform various tasks simultaneously within a program

  • Allows the creation of object-oriented modular programs and reusable code

  • Platform-Independent, easy to move from one system to another

  • Supports automatic memory allocation and garbage collection

Differences between C++ and Java

Let’s discuss the main differences between C++ and Java:


Java: does not support Java pointers, templates, pointer overloading, unions, etc.

C++ Supports pointers, structures, units, templates, operator overloading or pointers arithmetic.

Support Destructors

Java: does not support Java destructors; It has automatic garbage collection system.

C++: It supports destructors; it gets invoked when an object is destroyed.

Conditional compilation and inclusion

Java: It does not support conditional compilation and inclusion.

C++: These are the key features of C++.

Thread Support

Java: It supports threads that are built into Java. If the thread class is in Java, the run method is inherited to create a new thread that overrides.

C++: It has no built-in support. It depends on third-party libraries.

Default arguments

Java: Java does not support default arguments. There is no (::) in Java. The definitions of strategy should be in one category, so there is no need to fix the scope.

C++: C++ supports default arguments. C++ has scope resolution (::), which utilize and characterize a strategy outside a class to get to a worldwide variable inside from the degree where a neighborhood variable additionally exists with a similar name.

Goto Statement

Java: There is no Goto statement in Java. Keywords and goto are reserved, even if they are not used.

C++: C++ has a GOTO connection. Still, this is not seen as a great practice for the use of Goto explanations.

Multiple inheritances

Java: Java does not offer multiple inheritances, not in the same sense as C++.

C++: C++ supports different inheritance. The keyword uses virtual to resolve the ambiguity between different conditions if any.

Exception Handling

Java: Exception handling is different because there are no destructors. In Java, try/catch should be defined if the function declares that it can throw an exception.

C++: In C++, you can skip this attempt/get regardless of what the capacity gives.


Java: There is a way of overloading in Java but no operator performs overloading. The string uses the + and += operators to collapse the string and the string expression uses automatic type conversion, but this is a special built-in case.

C++: C++ supports both over-loading and over-loading administrator techniques.

Documentation Comment

Java: Java has built-in support for documentation comments (/** … */); Therefore, Java source files can have their own documentation, which is read by a different device, usually improved in Java Doc and HTML. It helps in maintaining documentation in an easy way.

C++: C++ documentation does not support comments.

Platform Independent

Java: Java is interpreted for the most part and, therefore, is platform-free.

C++: Creates a C++ conflict code, and a similar code cannot run on different steps.


We learned from this article that both C++ and Java are powerful languages. You can consider learning both to get a solid understanding of computer programming.

But if you want to choose either one, ask yourself what kind of applications you want to create. For example, for building Windows applications, C++ is an ideal choice. And if you need to create app servers, enterprise applications, etc., you can select Java.

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