Question

Differentiate between C, C++ and JAVA.

Answer 1

S.N.	Basis	C	C++	Java
1	Origin	The C language is based on BCPL.	The C++ language is based on the C language.	The Java programming language is based on both C and C++.
2	Programming Pattern	It is a procedural language.	It is an object-oriented programming language.	It is a pure object-oriented programming language.
3	Approach	It uses the top-down approach.	It uses the bottom-up approach.	It also uses the bottom-up approach.
4	Dynamic or Static	It is a static programming language.	It is also a static programming language.	It is a dynamic programming language.
5	Code Execution	The code is executed directly.	The code is executed directly.	The code is executed by the JVM.
6	Platform Dependency	It is platform dependent.	It is platform dependent.	It is platform-independent because of byte code.
7	Translator	It uses a compiler only to translate the code into machine language.	It also uses a compiler only to translate the code into machine language.	Java uses both compiler and interpreter and it is also known as an interpreted language.
8	File Generation	It generates the .exe, and .bak, files.	It generates .exe file.	It generates .class file.
9	Number of Keyword	There are 32 keywords in the C language.	There are 60 keywords in the C++ language.	There are 52 keywords in the Java language.
10	Source File Extension	The source file has a .c extension.	The source file has a .cpp extension.	The source file has a .java extension.
11	Pointer Concept	It supports pointer.	It also supports pointer.	Java does not support the pointer concept because of security.
12	Union and Structure Datatype	It supports union and structure data types.	It also supports union and structure data types.	It does not support union and structure data types.
13	Pre-processor Directives	It uses pre-processor directives such as #include, #define, etc.	It uses pre-processor directives such as #include, #define, #header, etc.	It does not use directives but uses packages.
14	Constructor/ Destructor	It does not support constructor and destructor.	It supports both constructor and destructor.	It supports constructors only.
15	Exception Handling	It does not support exception handling.	It supports exception handling.	It also supports exception handling.
16	Memory Management	It uses the calloc(), malloc(), free(), and realloc() methods to manage the memory.	It uses new and delete operator to manage the memory.	It uses a garbage collector to manage the memory.
17	Overloading	It does not support the overloading concept.	Method and operator overloading can be achieved.	Only method overloading can be achieved.
18	goto Statement	It supports the goto statement.	It also supports the goto statement.	It does not support the goto statements.
19	Used for	It is widely used to develop drivers and operating systems.	It is widely used for system programming.	It is used to develop web applications, mobile applications, and windows applications.
20	Array Size	An array should be declared with size. For example, int num[10].	An array should be declared with size.	An array can be declared without declaring the size. For example, int num[].