int myInteger = 42;

float myFloat = 3.14;

double myDouble = 6.28;

char myChar = 'A';

BOOL isTrue = YES; // or NO

NSString *myString = @"Hello, World!";

NSArray *myArray = @[@"apple", @"orange", @"banana"];

NSDictionary *myDict = @{@"key1": @"value1", @"key2": @"value2"};

NSNumber *myNumber = @42;

NSDate *currentDate = [NSDate date];

NSData *myData = [NSData dataWithContentsOfFile:@"file.txt"];

NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:1];

NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"[0-9]" options:0 error:nil];

NSDecimalNumber *price = [NSDecimalNumber decimalNumberWithString:@"10.99"];

CGPoint point = CGPointMake(10.0, 20.0);

CGSize size = CGSizeMake(100.0, 150.0);

CGRect rect = CGRectMake(0.0, 0.0, 200.0, 300.0);

typedef NS_ENUM(NSInteger, MyEnumType) {
    OptionA,
    OptionB,
    OptionC
};

MyEnumType selectedOption = OptionB;

int *intPointer;
NSString * __strong strongReference;

id genericObject = @"This could be any object";