in . h File

import <UIKit/UIKit.h>

@interface TestTV : UITableView<UITableViewDataSource, UITableViewDelegate>
@property(strong,nonatomic)NSArray *arr;

@end

. M file

#import "TestTV.h"

@implementation TestTV
@synthesize arr = _arr;

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
// Return the number of sections.
return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{

_arr = [[NSArray alloc]initWithObjects:@"HEJ",@"FOO", nil];
return _arr.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"Cell";

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault  reuseIdentifier:CellIdentifier];
}

NSString *cellValue = [_arr objectAtIndex:indexPath.row];
cell.textLabel.text = cellValue;

return cell;
}
@end

set both the delegate and dataSource outlets of the table view to be equal to its superview's view controller