7-10打卡

Java方法重载

class MathUtils {
    public static int add(int a, int b) {
        return a + b;
    }

    public static double add(double a, double b) {
        return a + b;
    }

    public static int add(int a, int b, int c) {
        return a + b + c;
    }
}

public class Main {
    public static void main(String[] args) {
        int sum1 = MathUtils.add(2, 3);
        System.out.println("Sum1: " + sum1); // 输出：Sum1: 5

        double sum2 = MathUtils.add(2.5, 3.7);
        System.out.println("Sum2: " + sum2); // 输出：Sum2: 6.2

        int sum3 = MathUtils.add(2, 3, 4);
        System.out.println("Sum3: " + sum3); // 输出：Sum3: 9
    }
}