iven a Card class, implement a subclass called IDCard class. public class Card
iven a Card class, implement a subclass called IDCard class. public class Card
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Given a Card class, implement a subclass called IDCard class.
public class Card
{
private String name;
public Card(String n) {
name = n;
}
public String format() {
return "Card holder: " + name;
}
}
public class IDCard
{
private String IDNumber;
public IDCard(String n, String id)
{
// your code goes here
}
// overriding method
public String format()
{
// your code goes here
}
}
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