//Step 3: Create a static method for that class and assign the object to the declared static variable.
public static Toyota GetInstance()
{
if (obj == null)
{
obj = new Toyota();
}
return(obj);
}
static void Main(string[] args)
{
Toyota toyota1 = Toyota.GetInstance();
Toyota toyota2 = Toyota.GetInstance();
toyota1.ManiFacturingPlantName = "Japan";
string toyota2plantName = toyota2.getDetails();
Console.WriteLine(toyota2plantName);
//Compare if two instances are equal
Console.WriteLine(toyota1.Equals(toyota2)); // True
Console.ReadKey();
}