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Lära Dynamic Arrays | Dynamic Memory
C++ Intermediate | Mobile-Friendly

bookDynamic Arrays

You can also allocate memory in RAM for arrays, which are called dynamic!

To create a dynamic array, just specify the type and number of elements you want in square brackets by declaring:

x = new int[5]; // Request memory
delete []x;    // Delete array pointed to x

Dynamic memory is extremely useful in many situations when your program doesn’t know how much place it needs. For instance, when your code needs to read a file or you want to create an array depending on user input.

question-icon

Fill gaps to create a string 4-element dynamic array a.

;
delete []a;

Click or drag`n`drop items and fill in the blanks

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 3. Kapitel 6

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bookDynamic Arrays

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You can also allocate memory in RAM for arrays, which are called dynamic!

To create a dynamic array, just specify the type and number of elements you want in square brackets by declaring:

x = new int[5]; // Request memory
delete []x;    // Delete array pointed to x

Dynamic memory is extremely useful in many situations when your program doesn’t know how much place it needs. For instance, when your code needs to read a file or you want to create an array depending on user input.

question-icon

Fill gaps to create a string 4-element dynamic array a.

;
delete []a;

Click or drag`n`drop items and fill in the blanks

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 3. Kapitel 6
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