JSON-Test-GET-Data-into-TableView

In this project i am doing get data into tableview and pass data into another view hear i am using JSONDECODER for fatching data

func getData(){

    let url = URL(string: "https://restcountries.eu/rest/v2/all")
    
    URLSession.shared.dataTask(with: url!) { (data, response, error) in
        do{if error == nil{
            self.arrdata = try JSONDecoder().decode([jsonstruct].self, from: data!)
            
            for mainarr in self.arrdata{
                //print(mainarr.name,":",mainarr.capital,":",mainarr.alpha3Code)
                DispatchQueue.main.async {
                    self.tableview.reloadData()
                }
                
            }
            }
            
        }catch{
            print("Error in get json data")
        }
        
        }.resume()
}