static GSM()
{
Iphone4s = new GSM("Iphone 4s",
"Apple",
new Battery("2550mAh", "Samsung", BatteryCellType.LiIon),
new Display("Xreality", "Sony", 4.3f, 16e6f));
}
public void SwichBattery(GSM mobile2)
{
var mobile1Bat = this.TakeOutBattery();
var mobile2Bat = mobile2.TakeOutBattery();
this.Battery = mobile2Bat;
mobile2.Battery = mobile1Bat;
}
