Difference between c++ and java – What is C++ and JAVA ?

Befor going to know Difference between c++ and java – What is C++ and JAVA lets se What it is ?

What is the C++ programming language?

C++ is a computer programming language that combines the features of the C and Simula67 programming languages (first object Oriented language). Class and Objects were introduced in C++.

It encapsulates both high-level and low-level linguistic characteristics. As a result, it is classified as a language of intermediate difficulty. It was previously known as “C with Classes” since it possessed all of the properties of the C programming language.

What is the Java programming language?

Sun Microsystems created the Java programming language. This language was created by a tiny software development team. They were known as the Green Team, and they were the ones that created the Java programming language in 1991.

A Brief History of C++

Bjarne Stroustrup of AT&T Bell Laboratories created the C++ programming language. Stroustrup was a fan of Simula67 and a big promoter of C. He desired to integrate the greatest features of both languages. He wanted to make a language that could allow object-oriented programming while still having the strength of C. C++ was born as a result of this.

Java’s History

OAK was the original name for the Java programming language. It was originally designed to handle gadgets and set-top boxes. Oak was a colossal flop. As a result, Sun renamed the language Java and enhanced it in 1995 to capitalize on the developing World Wide Web development industry. Oracle Corporation later purchased Sun Microsystems in 2009, gaining control of two significant Sun software assets: Java and Solaris.


  1. C++ just utilizes the compiler, whereas Java uses both the compiler and the interpreter.
  2. C++ allows for both operator and method overloading, but Java only allows for method overloading.
  3. C++ has new and delete keywords for manual object management, but Java has automatic garbage collection built-in.
  4. Structures are supported by C++, however, they are not supported by Java.
  5. Unions are supported in C++, but they are not in Java.
There is no strict link between filenames and class names. For each class in C++, header files and implementation files are utilized. The rigorous relationship is enforced, for example, the PayRoll.java source code must be in PayRoll.java.
In and cout are used in I/O statements, for example, in » x; cout« y; Because it reads one byte at a time, the I/O input mechanism is highly complicated (System.in).
Only the compiler is supported in C++. Both a compiler and an interpreter are supported by Java
Except in a few rare circumstances, C source code is compatible. There isn’t any backward compatibility with earlier languages. C/C++ has an impact on the syntax.
Model that is adaptable and provides constant protection is offered. Weak encapsulation is encouraged by the burdensome model.
There is no such hierarchy in C++. C++ is a hybrid language since it enables both procedural and object-oriented programming. Java is an object-oriented programming language in its purest form. That is why it adheres to the single root hierarchy.
The scope resolution operator     in C++ is used to define a method outside of a class and to access a global variable from within a scope where a local variable with the same name already exists. In Java, there is no scope resolution operator (: :). There is no requirement for scope resolution because the method declarations must be contained within a class.
Platform independence is a feature of C++ applications. They have to be built for a certain platform. Platform independence is a feature of Java programming. The Java Virtual Machine is where Java programs are written (JVM). It will run without having to be recompiled
Multiple inheritances are available in C++. If there are any complications during multiple inheritances, the keyword virtual is utilized to remedy them. Multiple inheritance is not available in Java.

Frequently Asked Questions C++ and Java 

Q #1) Which is better, C++ or Java?

Answer: We can’t say for sure which is superior. Both C++ and Java have advantages and disadvantages. While C++ is ideal for system development, we are unable to do so with Java. Java, on the other hand, shines in web, desktop, and other applications.

C++ may be used for everything from system development to enterprise applications to games. Java has more web and enterprise capabilities. Some applications, such as some low-level programming applications or gaming, cannot be left to Java’s development.

As a result, it is entirely dependent on the application we are designing. The ideal strategy is to weigh the advantages and disadvantages of both languages, as well as their applicability to the application in question, before deciding which is the best.

Q #2) Is C++ more powerful than Java?

Answer: This is a hard question once more! When it comes to how simple the grammar is and how easy it is to learn the language, Java comes out on top. C++ is more powerful when it comes to system development and/or other low-level applications.

Some would claim that Java is more powerful since it has automatic garbage collection, no pointers, and no multiple inheritances.

C++, on the other hand, is extremely fast. Automatic garbage collection can also wreak havoc on jobs in applications like gaming, where we need to save state. As a result, C++ is clearly useful in this situation.

Q #3) Is it possible to learn Java without first learning C or C++?

Yes, without a doubt!

We can start learning Java once we understand the principles of programming and object-oriented programming ideas.

Q #4) Is C++ similar to Java?

Answer: Yes, in some respects, but no, in others.

C++ and Java, for example, are both object-oriented programming languages. They can be used to create applications. They both have the same syntax.

However, there are significant differences between C++ and Java in areas such as memory management, inheritance, polymorphism, and so on. Similarly, both languages differ when it comes to primitive data types, object management, pointers, and so on.

Q #5: Is Java written in C++?

Answer: Java in the sense that Sun and IBM’s Java Virtual Machine (JVM) is written in C++. The Jva libraries are written in the Java programming language. Other JVMs are written in the C programming language. 

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Object-oriented programming languages include C++ and Java. C++ is also a procedural programming language. There are some aspects of both languages that are fundamentally different, such as inheritance, polymorphism, pointers, memory management, and so on.

C++ has various properties that make it more powerful than Java, such as being closer to the hardware, better object management, speed, performance, and so on. This motivates developers to adopt C++ for low-level programming, high-speed gaming apps, system programming, and so on.

Java’s simplified syntax, automatic garbage collection, lack of references, templates, and other features make it a popular choice for web-based applications.

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