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C++ Intermediate | Mobile-Friendly
course content

Kursinnhold

C++ Intermediate | Mobile-Friendly

C++ Intermediate | Mobile-Friendly

1. Data Types and Arrays
The Basic Concept of the MemoryDatatypes Modifiers SizeOfRandomRandom Not RandomMulti-Dimensional ArraysFill ArraysLoops thought Multi-Dimensional Arrays
2. References & Pointers
PointersDeeping into PointersDereferencingBack to MemoryPointers’ ArithmeticReferencesPointers vs ReferencesFeatures
3. Dynamic Memory
Static MemoryDynamic MemoryNewDeletePointer CleanerDynamic ArraysSum Up!
4. Functions
Basics of FunctionsDeclarationParametersMore about ParametersDefaultReturnPass by ValuePass by ReferencePass the ArrayDeclaration vs Definition | PrototypeOverloading

book
Pointers vs References

As I already mentioned, you can add to the pointer any number you want to go to the next storage unit. For example:


              
123456

            
int a = 1;
int *pa = &a;
cout << pa << endl;

pa++;
cout << pa;
copy

Pay attention that we moved forward to 4 bytes (size of the int type). Such math operation is unavailable for references:


              
123456

            
int a = 1;
int &ra = a;
cout << ra << endl;

ra++;
cout << ra;
copy

We changed the value of the variable a but not the reference.

question mark

What's the difference between a pointer and a reference?

Select the correct answer

Alt var klart?

Hvordan kan vi forbedre det?

Takk for tilbakemeldingene dine!

Seksjon 2. Kapittel 7

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course content

Kursinnhold

C++ Intermediate | Mobile-Friendly

C++ Intermediate | Mobile-Friendly

1. Data Types and Arrays
The Basic Concept of the MemoryDatatypes Modifiers SizeOfRandomRandom Not RandomMulti-Dimensional ArraysFill ArraysLoops thought Multi-Dimensional Arrays
2. References & Pointers
PointersDeeping into PointersDereferencingBack to MemoryPointers’ ArithmeticReferencesPointers vs ReferencesFeatures
3. Dynamic Memory
Static MemoryDynamic MemoryNewDeletePointer CleanerDynamic ArraysSum Up!
4. Functions
Basics of FunctionsDeclarationParametersMore about ParametersDefaultReturnPass by ValuePass by ReferencePass the ArrayDeclaration vs Definition | PrototypeOverloading

book
Pointers vs References

As I already mentioned, you can add to the pointer any number you want to go to the next storage unit. For example:


              
123456

            
int a = 1;
int *pa = &a;
cout << pa << endl;

pa++;
cout << pa;
copy

Pay attention that we moved forward to 4 bytes (size of the int type). Such math operation is unavailable for references:


              
123456

            
int a = 1;
int &ra = a;
cout << ra << endl;

ra++;
cout << ra;
copy

We changed the value of the variable a but not the reference.

question mark

What's the difference between a pointer and a reference?

Select the correct answer

Alt var klart?

Hvordan kan vi forbedre det?

Takk for tilbakemeldingene dine!

Seksjon 2. Kapittel 7
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