C++ Vs JAVA: What’s the Difference? [UPDATED] 2022

Both C++ and JAVA are very important programming languages necessary for everyday programming. However, you need to know the difference between the both of them and how they function in a program.

In this article, you will find detailed information about C++ Vs JAVA: What’s the Difference?. Read on to know about these programming languages and the difference between them.

C++ Vs JAVA: What’s the Difference?

To know the difference between C++ and JAVA programming languages, we need to learn about them individually.

Let’s begin with C++ programming language.

What is the C++ programming language?

C++ is a computer programming language that contains the features of the C programming language and Simula67 (first object Oriented language). It introduced the concept of Objects and Class.

Earlier called “C with classes”, because it had all the properties of the C language, C encapsulates low-level and high language features. Therefore, it is seen as an intermediate-level language.

History of C++ programming language

C++ language was developed at AT & T Bell Laboratories by Bjarne Stroustrup. Stroustrup was an admirer of Simula67 and a strong supporter of C. His aim was to combine the best of both languages and to create a language that supports object-oriented programming features and still retains the power of C. This resulted in C++.

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What is the Java programming language?

Java is a programming language developed by Sun Microsystems which was a  small software development team. java language was initiated in the year 1991 and they were known as the Green Team.

History of Java

The Java language was developed for handling devices and set-top boxes and was initially called OAK. Originally, it was developed for set-top boxes and handling devices and was a massive failure. However, Sun changed the name to Java in 1995 and modified the language to take advantage of the burgeoning World Wide Web development business.

Later, in 2009, Sun Micro systems was acquired by Oracle Corporation acquired and they took ownership of two key Sun software assets: Java and Solaris.

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C++ and Java: The Similarities

Typically, Java and C++ are similar in their type of programming language, complexity and use. They can both be used to create applications, web browsers, parts of websites as well as operating systems.

Also, they are both written in comparable ways and they use similar primitive data types and keywords. Furthermore, the two programming languages are both object oriented programming languages.

C++ and Java: KEY DIFFERENCE

• C++ uses only a compiler, whereas Java uses a compiler and interpreter both.
• C++ supports both operator overloading & method overloading whereas Java only supports method overloading.
• C++ supports manual object management with the help of new and delete keywords whereas Java has built-in automatic garbage collection.
• C++ supports structures whereas Java doesn’t support structures.
• C++ supports unions while Java doesn’t support unions.

Should I Learn Java or C++ First?

This question has been asked by many, especially by new learners who are just venturing into the field. However, expert programmers argue that Java is easier to learn because its Syntax is easier for new programmers to understand.

On the other hand, C++ syntax requirements tend to be very strict. It is hard to write the language in a a readable way and even worse, one single mistake can set off chains of error, causing the programmer to begin all over again.

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C++ Vs Java

Difference Between C++ and Java

• C++ No strict relationship between class names and filenames. In C++, header files and implementation files are used for specific classes.
• JAVA The strict relationship is enforced, e.g., the source code for class PayRoll has to be in PayRoll.java.
• PARAMETER Input mechanism
• C++ I/O statements use in and out, e.g., in » x; cout« y;
• JAVA I/O input mechanism is quite complex as it reads one byte at a time (System. in). Output is easy, e.g. System.out.println(x);
• Compiler and Interpreter
• C++ only supports compiler
• Java supports both compiler and interpreter
• Compatibility with other languages
• Compatible with C source code, except for some exceptional cases.
• No backward compatibility with any previous language. The syntax is influenced by C/C++.
• Access control and object protection
• A flexible model with constant protection available
• The cumbersome model encourages weak encapsulation.
• Concept
• Write once compile anywhere
• Write once run anywhere everywhere
• Support for programming type
• Allows both procedural programming and object-oriented programming.
• Support object-oriented programming model.
• Interface
• Allows direct calls to native system libraries.
• Only call through the Java Native Interface and recently Java Native Access
• Memory management
• Accessible to programmer
• System controlled
• Root hierarchy
• C++ there is no such root hierarchy. C++ supports both procedural and object-oriented programming; therefore, it is called a hybrid language.
• Java is a pure object-oriented Programming language. That’s it. Why It follows a single root hierarchy.
• Best features
• C++ supports Object-oriented features Procedural programming features.
• Java supports automatic garbage collection. It does not support destructors as C++ does.
• Goto Statement
• C++ has a goto statement. Although, it is not ideal to use a goto statement.
• Java has no goto statement. The keywords got, and const is reserved even if they are not used.
• Multiple inheritances
• C++ provides multiple inheritances. The keyword virtual is used to resolve problems during multiple inheritances if there are any.
• Java doesn’t provide multiple inheritances.
• Scope resolution operator
• C++ has a scope resolution operator (: 🙂 which is used to define a method outside of a class and to access a global variable within the scope where a local variable also exists with the same name.
• No scope resolution operator (: 🙂 in Java. The method definitions have to occur within a class, so there is no need for scope resolution.
• Supporting method
• C++ supports both method overloading & operator overloading
• Java only supports method overloading. It does not provide support for operator overloading.
• Portability
• The source must be recompiled for the platform; hence the code is not portable.
• Bytecode classes are transferable to platform-specific JVMs.
• Type semantics
• Consistent between primitive and object types.
• Differ for primitive and object types.
• Libraries
• Predominantly low-level functionality
• Massive classes for high-level services.
• Runtime error detection
• Programmer responsibility.
• System Responsibility.
• Functions & Data
• Functions and data may exist external to any class, global and namespace scopes are available.
• All functions and data exist within classes; package scope is available.
• Platform
• C++ programs are platform dependent. They need to be compiled for a particular platform.
• Java programs are platform-independent. Java programs are written for Java Virtual Machine (JVM). It will run without needing recompilation.
• Runtime error detection
• In C++, It is the Programmer’s responsibility to check the errors.
• It is the system’s responsibility to check errors in the program.
• Pointer
• C++ support pointers.
• Java offers only limited support for pointers.
• Structure
• It supports structures.
• It does not have any support for structures.
• Unions
• C++ supports unions.
• Java does not support unions.
• Object management
• C++ supports manual object management with the help of new and delete keywords.
• Java is heavily dependent on automatic garbage collection. It does not support destructors.

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FAQs C++ Vs JAVA: What’s the Difference

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