Oppiskele Assigning Addresses to Pointers

When working with pointers, proper initialization is important to ensure they point to valid memory locations and prevent unexpected behavior.

Address-of and Dereference operators

To assign a value to the pointer we have to use address-of operator and to access the value of the memory address we have to use dereference operator.

&: the address-of operator, returns the memory address of its operand;
*: the derefence operator, returns the value that stored in the memory address.

main.cpp


              12345678
            
#include <iostream>

int main()
{
	int variable = 10;
	std::cout << &variable << std::endl;
	std::cout << *(&variable) << std::endl;
}

Using the address-of operator, we can assign these addresses to pointers, creating a direct link between the pointer and the memory location it points to.

Tehtävä

Swipe to start coding

Declare a pointer with an appropriate data type.
Initialize it with a variable memory address.
Output both the memory address the pointer points to and the value it holds.

Ratkaisu

solution.cpp

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Osio 1. Luku 2

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When working with pointers, proper initialization is important to ensure they point to valid memory locations and prevent unexpected behavior.

Address-of and Dereference operators

To assign a value to the pointer we have to use address-of operator and to access the value of the memory address we have to use dereference operator.

&: the address-of operator, returns the memory address of its operand;
*: the derefence operator, returns the value that stored in the memory address.

main.cpp


              12345678
            
#include <iostream>

int main()
{
	int variable = 10;
	std::cout << &variable << std::endl;
	std::cout << *(&variable) << std::endl;
}

Using the address-of operator, we can assign these addresses to pointers, creating a direct link between the pointer and the memory location it points to.

Tehtävä

Swipe to start coding

Declare a pointer with an appropriate data type.
Initialize it with a variable memory address.
Output both the memory address the pointer points to and the value it holds.

Ratkaisu

solution.cpp

Vaihda työpöytään todellista harjoitusta vartenJatka siitä, missä olet käyttämällä jotakin alla olevista vaihtoehdoista

Oliko kaikki selvää?

Kiitos palautteestasi!

Osio 1. Luku 2

single

Pyyhkäise näyttääksesi valikon

When working with pointers, proper initialization is important to ensure they point to valid memory locations and prevent unexpected behavior.

Address-of and Dereference operators

To assign a value to the pointer we have to use address-of operator and to access the value of the memory address we have to use dereference operator.

&: the address-of operator, returns the memory address of its operand;
*: the derefence operator, returns the value that stored in the memory address.

main.cpp


              12345678
            
#include <iostream>

int main()
{
	int variable = 10;
	std::cout << &variable << std::endl;
	std::cout << *(&variable) << std::endl;
}

Using the address-of operator, we can assign these addresses to pointers, creating a direct link between the pointer and the memory location it points to.

Tehtävä

Swipe to start coding

Declare a pointer with an appropriate data type.
Initialize it with a variable memory address.
Output both the memory address the pointer points to and the value it holds.

Ratkaisu

solution.cpp

Vaihda työpöytään todellista harjoitusta vartenJatka siitä, missä olet käyttämällä jotakin alla olevista vaihtoehdoista

Oliko kaikki selvää?

Kiitos palautteestasi!

Assigning Addresses to Pointers

Address-of and Dereference operators

Ratkaisu

Awesome!

Assigning Addresses to Pointers

Address-of and Dereference operators

Ratkaisu

Awesome!

Assigning Addresses to Pointers

Address-of and Dereference operators

Ratkaisu