using System;
using System.Text;
class Person
{
public Person(string fname, string lname, string ssn, byte a)
{
FirstName = fname;
LastName = lname;
SSN = ssn;
age = a;
}
public string FirstName;
public string LastName;
public string SSN;
public byte age;
public override bool Equals(object o)
{
Person temp = (Person)o;
if(temp.FirstName == this.FirstName &&
temp.LastName == this.LastName &&
temp.SSN == this.SSN &&
temp.age == this.age)
{
return true;
}
else
return false;
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("[FirstName= {0}", this.FirstName);
sb.AppendFormat(" LastName= {0}", this.LastName);
sb.AppendFormat(" SSN= {0}", this.SSN);
sb.AppendFormat(" Age= {0}]", this.age);
return sb.ToString();
}
public override int GetHashCode()
{
return SSN.GetHashCode();
}
}
class MainClass
{
public static void Main(string[] args)
{
Person p1 = new Person("Fred", "Jones", "222-22-2222", 98);
Person p2 = new Person("Fred", "Jones", "222-22-2222", 98);
if(p1.Equals(p2) && p1.GetHashCode() == p2.GetHashCode())
Console.WriteLine("P1 and P2 have same state\n");
else
Console.WriteLine("P1 and P2 are DIFFERENT\n");
}
}
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