方法重载null参数

public class OverloadExample {
    public void print(String message) {
        System.out.println("Printing String: " + message);
    }

    public void print(int number) {
        System.out.println("Printing int: " + number);
    }

    public void print(String message, int times) {
        for (int i = 0; i< times; i++) {
            System.out.println("Printing String " + (i+1) + ": " + message);
        }
    }
}

print((String) null);