有没有办法在Java中做24小时格式和60分钟格式？

Question

if(ExcessTimeHours >= 24) {
    ExcessTimeHours = 0;
}
if(ExcessTimeMin >= 60) {
    ExcessTimeMin = 0;
    ExcessTimeHours ++;
}

Answer 1

我在第一部电影开始的时候加上时间，然后我加上那部电影有多长，然后我在第二部电影开始的时候加上时间，还加上这部电影有多长，程序会告诉我是否我能毫无问题地看完这两部电影，或者我是否会错过电影的几分钟，或者我是否不能去看。

我的问题是，当时间超过午夜，从24小时跳到0小时时，我不知道如何解决这个问题。弄不清病情。

    System.out.println("Start of movie A:");
    
    System.out.print("hour: ");                         // 17; 23; 0
    int startHourA = s.nextInt();
    System.out.print("min: ");                          // 30; 30; 30
    int startMinA = s.nextInt();
    
    System.out.println("Length of movie A:");
    
    System.out.print("hour: ");                         // 2; 2; 2
    int lengthHourA = s.nextInt();
    System.out.print("min: ");                          // 0; 0; 1
    int lengthMinA = s.nextInt();
    
    
    System.out.println("Start of movie B:");
    
    System.out.print("hour: ");                         // 20; 0; 0
    int startHourB = s.nextInt();
    System.out.print("min: ");                          // 0; 20; 31
    int startMinB = s.nextInt();
    
    System.out.println("Length of movie B:");
    
    System.out.print("hour: ");                         // 0; 1; 2
    int lengthHourB = s.nextInt();
    System.out.print("min: ");                          // 35; 35; 0
    int lengthMinB = s.nextInt();


    int timeBetweenMoviesHour = startHourB - ExcessTimeHours;
    int timeBetweenMoviesMin = startMinB - ExcessTimeMin;

    if (timeBetweenMoviesHour == 0 && timeBetweenMoviesMin >= 0) {
        System.out.println("Recommendation: No problem");
    }
    else if (timeBetweenMoviesMin > 0) {
        System.out.println("Recommendation: You won't see " + 
        timeBetweenMoviesMin + " minutes");
    }
    else System.out.println("Recommendation: You can't make it");