018-004-001
Object equals() Comparison
Easy
Problem Description
Create a PointCard class with cardNumber field and implement equals() method to compare cards by their card number rather than object identity.
Test Cases
※ Output examples follow programming industry standards
Input:
new PointCard("A001"); PointCard c2 = new PointCard("A001"); c1.equals(c2)Expected Output:
true
Input:
new PointCard("A001"); PointCard c2 = new PointCard("B002"); c1.equals(c2)Expected Output:
false
Input:
new PointCard("A001"); c1.equals("A001")Expected Output:
false
Input:
new PointCard("A001"); c1.equals(null)Expected Output:
false
❌ Some tests failed
Your Solution
Current Mode:● My Code
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import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
// Write your code here
sc.close();
}
}
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