Watch video Абстрактные классы | зачем нужны абстрактные методы | abstract c# | полиморфизм | C# ООП | # 76 online without registration, duration 17 minute 38 second in high hd quality. This video was added by user #SimpleCode 05 April 2021, don't forget to share it with your friends and acquaintances, it has been viewed on our site 97 thousand once and liked it 6 thousand people.