统计应用的使用时间长短

import java.time.Duration;
import java.time.LocalDateTime;
import java.util.Scanner;

public class AppUsageTracker {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入应用的名称：");
        String appName = scanner.nextLine();

        LocalDateTime startTime = LocalDateTime.now();
        System.out.println("应用已启动，开始计时...");

        scanner.nextLine(); // 模拟应用的使用

        LocalDateTime endTime = LocalDateTime.now();
        Duration usageDuration = Duration.between(startTime, endTime);
        System.out.println("应用已关闭，使用时间为：" + usageDuration.toMinutes() + " 分钟");
    }
}