The reason is that pointers are used to bodge into C some vital features which are missing from the original language: arrays, strings, & writeable function parameters. They can also be used to optimize a program to run faster or use less memory that it would otherwise..
In this manner, are there pointers in C#?
Yes, C# supports pointers in a limited extent. A pointer is nothing but a variable that holds the memory address of another type. But in C# pointer can only be declared to hold the memory address of value types and arrays.
Beside above, why pointers are not used in C ++? It is best to avoid using pointers in C++ as much as possible. The use of pointers can lead to confusion of ownership which can directly or indirectly lead to memory leaks. Even if object ownership is well managed simple (and difficult to find) bugs can also lead to memory leaks.
Regarding this, why do you need pointers in C?
C uses pointers to create dynamic data structures -- data structures built up from blocks of memory allocated from the heap at run-time. C uses pointers to handle variable parameters passed to functions. Pointers in C provide an alternative way to access information stored in arrays.
Why are pointers so hard to understand?
The reason it was complicated was because I didn't understand that a pointer was an address to something. If you explain that it is an address, that it is something that contains an address to something else, and that you can manipulate that address to do useful things, I think it might clear up the confusion.
Related Question Answers
What are the types of pointer?
There are various types of pointers such as a null pointer, wild pointer, void pointer and other types of pointers. Pointers can be used with array and string to access elements more efficiently. We can create function pointers to invoke a function dynamically.What is unsafe code?
Unsafe is a C# programming language keyword to denote a section of code that is not managed by the Common Language Runtime (CLR) of the . NET Framework, or unmanaged code. Unsafe is used in the declaration of a type or member or to specify a block code.What are pointer types in C#?
Pointers are defined as a variable that contains the memory address of another variable. Pointers in C# are used whenever there is a statement that is unsafe and is marked by unsafe keyword. Those types of statements are not in control of garbage collectors and use pointer variables.What is IntPtr C#?
An IntPtr is an integer which is the same size as a pointer. You can use IntPtr to store a pointer value in a non-pointer type.What are pointers in Java?
A POINTER IS JUST THE ADDRESS OF SOME location in memory. In Java, pointers play an important role behind the scenes in the form of references to objects. A Java variable of object type stores a reference to an object, which is just a pointer giving the address of that object in memory.What is a pointer in C#?
A pointer is a variable that holds the memory address of another type. In C#, pointers can only be declared to hold the memory addresses of value types (except in the case of arrays).Does C# have garbage collection?
I also know that C# does it's own Garbage Collection (ie. It determines when an instanciated class is no longer in use and reclaims the memory). The C# language does not do so; the CLR does so. That's why its called "automatic garbage collection".What is ref in C#?
The ref is a keyword in C# which is used for the passing the arguments by a reference. Or we can say that if any changes made in this argument in the method will reflect in that variable when the control return to the calling method. The ref parameter does not pass the property.What is memory leak in C?
The memory leak occurs, when a piece of memory which was previously allocated by the programmer. Then it is not deallocated properly by programmer. That memory is no longer in use by the program. That's why this is called the memory leak. For the memory leak, some block of memory may have wasted.What is the purpose of pointers?
Pointers are used to store and manage the addresses of dynamically allocated blocks of memory. Such blocks are used to store data objects or arrays of objects. Most structured and object-oriented languages provide an area of memory, called the heap or free store, from which objects are dynamically allocated.What are the advantages of pointers?
Major advantages of pointers are: (i) It allows management of structures which are allocated memory dynamically. (ii) It allows passing of arrays and strings to functions more efficiently. (iii) It makes possible to pass address of structure instead of entire structure to the functions.How do pointers work in C?
A pointer is a variable that stores the address of another variable. Unlike other variables that hold values of a certain type, pointer holds the address of a variable. For example, an integer variable holds (or you can say stores) an integer value, however an integer pointer holds the address of a integer variable.What is a pointer and its uses?
Pointers are variables that contain the memory address of another variable. It enables the programmer to directly access the memory location and hence the value stored at it. C programming allows a programmer to make use of pointer which is a very powerful tool for them.How do double pointers work in C?
Double Pointer (Pointer to Pointer) in C. A pointer is used to store the address of variables. So, when we define a pointer to pointer, the first pointer is used to store the address of the second pointer. Thus it is known as double pointers.Why pointers are not used in Java?
The very first reason for this is Pointers cannot be used in Java because pointers don't exist in Java . Yes pointer is a reference operator as it is for the address storage. The only real use for pointers is direct memory manipulation. One of the key feature of java is security, since pointers don't ensure security.What is advantage of pointer in C?
Pointers reduce the length and complexity of a program. They increase execution speed. A pointer enables us to access a variable that is defined outside the function. Pointers are more efficient in handling the data tables.What languages have pointers?
C and C++ support pointers which are different from most of the other programming languages. Other languages including C++, Java, Python, Ruby, Perl and PHP support references. On the surface, both references and pointers are very similar, both are used to have one variable provide access to another.Why are pointers dangerous?
Pointer arithmetic is the reason that many programmers like pointers but it is also the reason why pointers are dangerous. A mistake in the pointer computation can result in it pointing somewhere it shouldn't and the whole system can crash as a result.What is the difference between C and C++?
The major difference between C and C++ is that C is a procedural programming language and does not support classes and objects, while C++ is a combination of both procedural and object oriented programming language; therefore C++ can be called a hybrid language. 
