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C++ vs Java

There are many differences and similarities between C++ programming language and Java. A list of top differences between C++ and Java are given below:

Comparison Index C++Java
Platform-independentC++ is platform-dependent.Java is platform-independent.
Mainly used forC++ is mainly used for system programming.Java is mainly used for application programming. It is widely used in window, web-based, enterprise and mobile applications.
GotoC++ supports goto statement.Java doesn't support goto statement.
Multiple inheritanceC++ supports multiple inheritance.Java doesn't support multiple inheritance through class. It can be achieved by interfaces in java.
Operator OverloadingC++ supports operator overloading.Java doesn't support operator overloading.
PointersC++ supports pointers. You can write pointer program in C++.Java supports pointer internally. But you can't write the pointer program in java. It means java has restricted pointer support in java.
Compiler and InterpreterC++ uses compiler only.Java uses compiler and interpreter both.
Call by Value and Call by referenceC++ supports both call by value and call by reference.Java supports call by value only. There is no call by reference in java.
Structure and UnionC++ supports structures and unions.Java doesn't support structures and unions.
Thread SupportC++ doesn't have built-in support for threads. It relies on third-party libraries for thread support.Java has built-in thread support.
Documentation commentC++ doesn't support documentation comment.Java supports documentation comment (/** ... */) to create documentation for java source code.
Virtual KeywordC++ supports virtual keyword so that we can decide whether or not override a function.Java has no virtual keyword. We can override all non-static methods by default. In other words, non-static methods are virtual by default.
unsigned right shift >>>C++ doesn't support >>> operator.Java supports unsigned right shift >>> operator that fills zero at the top for the negative numbers. For positive numbers, it works same like >> operator.
Inheritance TreeC++ creates a new inheritance tree always.Java uses single inheritance tree always because all classes are the child of Object class in java. Object class is the root of inheritance tree in java.




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