public static void QUESTIONALL177()
{
Class1a a = new Class1a(1, "AS");
Class1a b = new Class1a(1, "AS");
Class1a c = new Class1a(2, "AS");
Class1a d = new Class1a(1, "ASA");
Class1a e = new Class1a(3, "ASI");
List <Class1a> lista = new List <Class1a>();
lista.Add(a);
lista.Add(b);
lista.Add(c);
lista.Add(d);
lista.Add(e);
//string result = "";
if (lista is List <Class1a> )
{
Console.WriteLine("lista is List<Class1a>");
}
if (lista is List <Class1a>[])
{
Console.WriteLine("lista is List<Class1a>[]");
}
if (lista.GetType() is List <Class1a>[])
{
Console.WriteLine("lista.GetType() is List<Class1a>[]");
}
if (lista.GetType() is List <Class1a> )
{
Console.WriteLine("lista.GetType() is List<Class1a>");
}
}
public static void QUESTIONALL193()
{
Class1a a = new Class1a(1, "AS");
Class1a b = new Class1a(1, "AS");
Console.WriteLine(a.Equals(b));
//Class1a c = new Class1a(2, "AS"); //inne id
//Console.WriteLine(a.Equals(c));
Class1a d = new Class1a(1, "ASA"); //inne name
Console.WriteLine(a.Equals(d));
//Class1a e = new Class1a(3, "ASI");//oba inne
//Console.WriteLine(a.Equals(e));
//Console.WriteLine(a.Equals(null));
string a1 = "AS";
string b1 = "AS";
if (!a1.Equals(b1))
{
Console.WriteLine("Equals pokazało że rózne : if (!a1.Equals(b1))");
}
else
{
Console.WriteLine("Equals pokazalo ze takie same");
}
if (a1 != b1)
{
Console.WriteLine("a1!=b1 pokazało że rózne ");
}
else
{
Console.WriteLine("takie same");
}
if (!Object.Equals(a1, b1))
{
Console.WriteLine("Equals pokazało że rózne : !Object.Equals(a1,b1)");
}
else
{
Console.WriteLine("Equals pokazalo ze takie same");
}
}
public bool Equals(Class1a other)
{
if (other == null)
{
return(false);
}
if (this.ID != other.ID)
{
return(false);
}
//if (!this.Name.Equals(other.Name)) return false;
if (!Object.Equals(this.Name, other.Name))
{
return(false);
}
return(true);
}