JSON Decoding in Swift Basic

JSONDecode.swift

let inputData = """
        {"x":10,"y":10,"moment":"2017-06-08T21:36:37Z"}
        """.data(using: .utf8)!
let decoder = JSONDecoder()
decoder.dateDecodingStrategy = .iso8601
let obj=try? decoder.decode(Point.self, from: inputData)
if let point=obj{
    print(point.x)
}