018-003-001
Generic Card Holder
Easy
Problem Description
In this problem, you will implement the displayInfo() method in the CardHolder class that returns a string in the format 'Card #[cardNumber]: [holderName]'.
Create a generic CardHolder class that can hold any type of card. It should have int cardNumber and String holderName fields, and a displayInfo() method that returns 'Card #[cardNumber]: [holderName]'.
Test Cases
※ Output examples follow programming industry standards
Input:
new CardHolder<>(12345, "Tanaka"); holder.displayInfo()
Expected Output:
Card #12345: Tanaka
Input:
new CardHolder<>(99, "Suzuki"); holder.displayInfo()
Expected Output:
Card #99: Suzuki
Input:
new CardHolder<>(1, "Test"); holder.displayInfo()
Expected Output:
Card #1: Test
Input:
new CardHolder<>(500, "Yamada"); holder.displayInfo()
Expected Output:
Card #500: Yamada
❌ 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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