Array
C#, Array FCL, -. :
// Array
int[] ar1 = new int[5];
double[] ar2 ={5.5, 6.6, 7.7};
int[,] ar3 = new Int32[3,4];
: ' ar1, ar2 ar3? ³ : . ar1 int[] - int, ar2 - double[] - double, ar3 - int. : '? , ', , Object, , Object ' .
11.
C
Employee . :
static unsigned int currentId;
, . ', . '. ' , ' ,
unsigned int Employee:: currentId = 0;
³ , .
12. . . (). .
- , (09051004010031000102000018) '
, :
) . , , . , ;
) , .
1.3.8
# include <math>
# include <iostream>
double square (double);
double square (double, double);
double square (double, double, double);
main ()
{
std:: cout <<" "<< square (1)<<'\n';
std:: cout <<" "<< square (1,2)<<'\n';
std:: cout <<" "<< square (1,2,3)<<'\n';
|
|
}
double square (double d1){
return 3.14* d1 * d1;
}
double square (double d1, double d2){
return d1 * d2;
}
double square (double d1, double d2, double d3){
double p =(d1 + d2 + d3)/2;
return sqrt (p *(p - d1)*(p - d2)*(p - d3));
}
. ++ ' . , , , . , . .
, : , , ,
:
) , ; ;
) , .
13.
14. . . .
( friend) ' . - .
, . . , , friend, .
, , . Friend public
, . , .
15. .