Part 57 to 58 Why should you override ToString and Equal Method，overridetostring

Part 57 to 58 Why should you override ToString and Equal Method，overridetostring

Part 57 Why should you override ToString Method

sometimes you can override ToString method like that:

namepace Example

public class MainClass
{
　　Customer C = new Customer();
　　C.firstName = "Lin";
　　C.lastName="Gester";
　　Console.Write(C.ToString());  //it will write Lin Gester;
}
public class Customer
{
　　public string FirstName{get;set;}
　　public string LastName{get;set;}
　　public override string ToString()
　　{
　　　　return this.FirstName+""+this.LastName;
　　}
}

Part 58  Why should you override Equals Method

public class MainClass
{
    private static void Main()
    {
       Customer C1 = new Customer();
       C1.FirstName = "Lin"; 
       C1.LastName = "Gester";
       Customer C2 = new Customer();
       C2.FirstName = "Lin"; 
       C2.LastName = "Gester";
       Console.Write(C1==C2);
       Console.Write(C1.Equals(C2));
            
    }  
}
public class Customer
{
    public string FirstName{get;set;}
    public string LastName{get;set;}
    public override bool Equals(Object obj)
    {
        if(obj==null)
        {
            return false;
        }
        if(!(obj is Customer))
        {
            return false;
        }
        return this.FirstName==((Customer)obj).FirstName&&this.LastName==((Customer)obj).LastName;
    }
}