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C++ Pointers and References

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Link Between Pointer and Variable

When you modify the value through the dereferenced pointer, you are essentially modifying the content of the memory location it points to. This directly affects the original variable.

Remember

Changing the value through *(p_variable) is equivalent to changing the value of variable.

Opgave

Swipe to start coding

  1. Declare and initialize the pointer with a variable address.
  2. Change the value of dereferenced pointer to zero.
  3. Output the variable value.

Løsning

cpp

solution

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book
Link Between Pointer and Variable

When you modify the value through the dereferenced pointer, you are essentially modifying the content of the memory location it points to. This directly affects the original variable.

Remember

Changing the value through *(p_variable) is equivalent to changing the value of variable.

Opgave

Swipe to start coding

  1. Declare and initialize the pointer with a variable address.
  2. Change the value of dereferenced pointer to zero.
  3. Output the variable value.

Løsning

cpp

solution

Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

close

Awesome!

Completion rate improved to 5.88

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