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C#ÖжÔbaseµÄ½âÊÍ(Òý×ÔMSDN):
base ¹Ø¼ü×ÖÓÃÓÚ´ÓÅÉÉúÀàÖзÃÎÊ»ùÀàµÄ³ÉÔ±£º
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´Ó¾²Ì¬·½·¨ÖÐʹÓà base ¹Ø¼ü×ÖÊÇ´íÎóµÄ¡£
ÔÚ±¾ÀýÖУ¬»ùÀà Person ºÍÅÉÉúÀà Employee ¶¼ÓÐÒ»¸öÃûΪ Getinfo µÄ·½·¨¡£Í¨¹ýʹÓà base ¹Ø¼ü×Ö£¬¿ÉÒÔ´ÓÅÉÉúÀàÖе÷ÓûùÀàµÄ Getinfo ·½·¨¡£
public class Person
{
    protected string ssn = "444-55-6666";
    protected string name = "John L. Malgraine";
    public virtual void GetInfo()
    {
        Console.WriteLine("Name: {0}", name);
        Console.WriteLine("SSN: {0}", ssn);
    }
}
class Employee : Person
{
    public string id = "ABC567EFG";
    public override void GetInfo()
    {
        // Calling the base class GetInfo method:
        base.GetInfo();
        Console.WriteLine("Employee ID: {0}", id);
    }
}
class TestClass
{
    static void Main()
    {
        Employee E = new Employee();
        E.GetInfo();
    }
}
/*
Output
Name: John L. Malgraine
SSN: 444-55-6666
Employee ID: ABC567EFG
*/
------------------------------------------------------------------------------------------------------------------------------------------
JavaÖеÄsuper£º
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ÓÚÊÇ£¬ÉÏÃæµÄ´úÂë¾ÍÓ¦¸ÃдΪ
public class Person
{
    protected string ssn = "444-55-6666";
    protected string name = "John L. Malgraine";
    // There is no virturl in Java
    public void GetInfo()
    {


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