CString NSString
[20] NSMutableArray [myArray insertObject:anObj atIndex:0];

Objective-C
#import “ClassName.h”
@implementation ClassName : ItsSuperclass
{
instance variable declarations
char *name;
@private
int age;
char *evaluation;
@protected
id job;
float wage;
@public
id boss;
int boss;
}
method definitions
@end
Classname *ceo = [[Classname alloc] init];
ceo->boss = nil;

C++
#include “ClassName.h”
class Classname:public ItsSuperclass
{
variable declarations;
char *name;
private:
int age;
char *evaluation;
protected:
id job;
float wage;
public:
id boss;
int boss;
}
Classname *ceo =new Classname();
ceo->boss = null;

C++ code
intfoo::callFoo(int foo)
{
int count;
int result = 0;
HelperObject object;

for (count = 0; count < foo; count++) result += object.Value(count); return result; } Objective-C code
intcallFoo:(int)foo
{
int count;
int result = 0;
HelperObject *anObject = [[HelperObject alloc] init];

for (count = 0; count < foo; count++) result += [anObject value:count]; [anObject free]; return result; } recommend documents: #. C++ Versus Objective-C httpss://www.mactech.com/articles/mactech/Vol.13/13.03/CandObjectiveCCompared/