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C++ Pointers and References

bookLink 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

solution.cpp

solution.cpp

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Sektion 1. Kapitel 3
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bookLink Between Pointer and Variable

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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

solution.cpp

solution.cpp

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Var alt klart?

Hvordan kan vi forbedre det?

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Completion rate improved to 5.88
Sektion 1. Kapitel 3
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