package com.example.W8;

// 导入Pair类
import com.example.W8.Pair;

public class PairTest {
    public static void main(String[] args) {
        Pair<String, Integer> p1 = new Pair<>("小明", 18);
        Pair<String, Integer> p2 = new Pair<>("小红", 19);

        System.out.println("交换前：");
        System.out.println("p1 = " + p1);
        System.out.println("p2 = " + p2);

        Pair.swap(p1, p2);

        System.out.println("\n交换后：");
        System.out.println("p1 = " + p1);
        System.out.println("p2 = " + p2);
    }
}