02. Generic Box of Integer

package GenericBoxOfInteger_02;
import java.util.ArrayList;
import java.util.List;

public class GenericBox<T> {
    private List<T> box;


    public GenericBox() {
        this.box = new ArrayList<>();

    }

    public void add(T element) {
        this.box.add(element);
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();

        for (T t : box) {
            sb.append(String.format("%s: %s", t.getClass(), t)).append(System.lineSeparator());

        }

        return sb.toString().replaceAll("class ", "");
    }
}



package GenericBoxOfInteger_02;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws NoSuchMethodException {
        Scanner scanner = new Scanner(System.in);
        int n  = Integer.parseInt(scanner.nextLine());
        GenericBox<Integer> box = new GenericBox<>();
        int line;
        for (int i = 0; i < n; i++) {
            line = Integer.parseInt(scanner.nextLine());
            box.add(line);
        }

        System.out.println(box);

    }
}