reate a class called time. The time class has three private data members of type int, named hours, minutes and seconds. • Provide a no‐argument constructor for the class which initializes the data members to 0. • Provide another constructor which sets the data members to the values passed from the main. It should also validate whether the values are correct i.e., hours should be between 0 and 23 (inclusive), minutes should be between 0 and 60 (inclusive) and seconds should also be between 0 and 60 (inclusive). If an invalid value is entered, the constructor should automatically change it to 0. • Write a function getTime() which asks the user to input the values for hours, minutes and seconds. While taking the input values, it must also validate the input values as in the above case. • Write a function displayTime() which displays the time in the format 11:39:45 i.e. hours:minutes:seconds. • Write a function totaltime () that adds two objects of type Time passed as arguments. The time should be added in such a way that if the sum of the seconds exceeds 60, that should subtract 60 from the seconds and add 1 to the minutes. Similarly, if the sum of the minutes exceeds 60, subtract 60 from minutes and add 1 to hours. If the hours exceed 23, then it should be set to hours % 24. So, the sum of 12:59:54 and 12:40:44 would be 1:40:38. • Create a function time_to_sec

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Create a class called time. The time class has three private data members of type int, named hours, minutes and seconds. • Provide a no‐argument constructor for the class which initializes the data members to 0. • Provide another constructor which sets the data members to the values passed from the main. It should also validate whether the values are correct i.e., hours should be between 0 and 23 (inclusive), minutes should be between 0 and 60 (inclusive) and seconds should also be between 0 and 60 (inclusive). If an invalid value is entered, the constructor should automatically change it to 0. • Write a function getTime() which asks the user to input the values for hours, minutes and seconds. While taking the input values, it must also validate the input values as in the above case. • Write a function displayTime() which displays the time in the format 11:39:45 i.e. hours:minutes:seconds. • Write a function totaltime () that adds two objects of type Time passed as arguments. The time should be added in such a way that if the sum of the seconds exceeds 60, that should subtract 60 from the seconds and add 1 to the minutes. Similarly, if the sum of the minutes exceeds 60, subtract 60 from minutes and add 1 to hours. If the hours exceed 23, then it should be set to hours % 24. So, the sum of 12:59:54 and 12:40:44 would be 1:40:38. • Create a function time_to_secs(), which takes as argument an object of type time and returns the equivalent in seconds (type long) where; long totalsecs = t1.hours*3600 + t1.minutes*60+ t1.seconds; • Create another function, secs_to_time () that takes as argument a time in seconds (type long) and returns an object of type Time.

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