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
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
Chapter11: Advanced Inheritance Concepts
Section: Chapter Questions
Problem 6PE
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Question
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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