//Array of integer
int primeNumbers[] = { 2, 3, 5, 7, 11, 13, 17, 19 };

//Array of string
NSArray *gameList = @[@"soccer", @"hockey", @"basketball"];

//Array of Employee class
NSArray *employees = @[
    [[Employee alloc] initWithFirstName:@"Pavlov" LastName:@"Anton"],
    [[Employee alloc] initWithFirstName:@"Kirienko" LastName:@"Elena"]];

@interface Employee : NSObject
-(id)initWithFirstName: (NSString *) firstName LastName: (NSString *) lastName;
@property NSString *firstName, *lastName;
@end

@implementation Employee
-(id)initWithFirstName: (NSString *) firstName LastName: (NSString *) lastName {
    self = [super init];
    if (self) {
        self.firstName = firstName;
        self.lastName = lastName;
    }
    return self;
}
@end