(C/C++) Interview in English - Basic concepts.
|
Question |
Key words |
Anwser |
A |
assignment operator |
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|
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abstract class |
|
It is a class that has one or more pure virtual functions. |
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assignment & |
constructed -> |
Assignment changes |
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array & |
|
An array is a |
|
argument passing |
call-by-value |
call-by-value. This |
B |
|
|
|
C |
constructor |
object , initialize |
Constructor creates |
|
copy constructor |
initialze by |
Constructor which |
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conversion constructor |
single argument |
constructor with a |
|
const reference |
|
a) Using const |
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container class |
|
A container class |
|
const |
|
表示常量不可以修改 |
|
|
|
|
D |
destructor |
delete |
Destructor usually |
|
data structure |
|
A data structure is |
|
|
|
|
E |
encapsulation |
code and data |
Encapsulation is |
F |
|
|
|
G |
globle variable |
|
In memory storage |
H |
Heap & |
|
Heap是堆,空间是由手动操作分配和释放的,它的存储区很大的自由存储区。 |
I |
inheritance |
derived |
Inheritance is a |
|
Iterator class |
traverse |
A class that is |
|
inline function |
expanded |
An inline function |
J |
|
|
|
K |
|
|
|
L |
|
|
|
M |
malloc()/free(), |
memory , |
1)malloc()/free() |
|
memory allocation |
|
1)static 内存在程序编译的时候就已经分配好,这块内存在程序的整个运行期间都存在。例如全局变 |
N |
|
|
|
O |
Overloading (重载) & |
Same function name |
Overloading is a |
P |
polymorphism |
virual funcition , |
one interface, |
|
private,protected,public |
members and friend |
Private members are |
|
pure virtual |
virtual void |
A pure virtual |
|
potinter & |
initialization/change/void |
1) Reference must |
Q |
|
|
|
R |
reference |
& |
C++’s default |
S |
struct & class |
default access |
The default access |
|
static member of a |
exist once |
Static data members |
|
static |
|
1) static Local |
|
signature |
|
Function's |
|
Silently write and |
|
Constructors, |
|
storage classes |
auto/register/static/extern |
auto: the default. Variables are automatically created and |
T |
template & |
|
Using |
|
this pointer |
object's function |
The this pointer is |
U |
using' declaration? |
|
A using declaration |
V |
virtual & |
run-time |
The behavior of a |
|
virtual function |
derived class |
虚函数是指在基类中使用了vitual申明,并且在一个或多个派生类中被重新定义的函数 |
|
Virtual Destructor? |
|
sing virtual |
|
volatile |
|
volatile 确保本条指令不会因编译器的优化而省略,且要求每次直接读值.
简单地说就是防止编译器对代码进行优化.
比如:操作系统、硬件或者其它线程等。遇到这个关键字声明 |
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