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  1. Time Conversion
  2. Discussions

Time Conversion

  • adronimo
     + 0 comments

    Java (without using LocalTime or any pre built formatter:

    String solution = "";
    String meridian = s.substring(s.length()-2, s.length());
    String pureTime = s.substring(0, s.length()-2);
    String hours = s.substring(0, 2);

    
    if(meridian.equals("AM") && !hours.equals("12") || (meridian.equals("PM") && hours.equals("12"))) {
        solution = pureTime;
    } else if (meridian.equals("AM")) {
        solution = "00" + pureTime.substring(2,pureTime.length());
    } else {
        int new_hours = Integer.parseInt(hours) + 12;
        solution = new_hours + pureTime.substring(2,pureTime.length());
    }
    return solution;