ผลต่างระหว่างรุ่นของ "Adt lab/pointers"
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Jittat (คุย | มีส่วนร่วม) |
Jittat (คุย | มีส่วนร่วม) |
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| แถว 2: | แถว 2: | ||
== Pointers == | == Pointers == | ||
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| + | In C/C++, there is a special kind of types: pointers. Pointer variables keep locations in the memory. To declare a pointer variable, we use symbol <tt>*</tt>: | ||
| + | |||
| + | type* variable; | ||
| + | |||
| + | For example, the following code declares <tt>p</tt> as a pointer to an integer. | ||
| + | |||
| + | <source lang="cpp"> | ||
| + | int* p; | ||
| + | </source> | ||
| + | |||
| + | |||
| + | Let's start by a simple example. | ||
== Pointers and arrays == | == Pointers and arrays == | ||
== Other links == | == Other links == | ||
รุ่นแก้ไขเมื่อ 15:41, 27 สิงหาคม 2558
- This is part of adt lab.
Pointers
In C/C++, there is a special kind of types: pointers. Pointer variables keep locations in the memory. To declare a pointer variable, we use symbol *:
type* variable;
For example, the following code declares p as a pointer to an integer.
int* p;
Let's start by a simple example.
