Day 4: Class vs. Instance - HackerRank 30 days of code solution
Objective In this challenge, we're going to learn about the difference between a class and an instance ; because this is an Object Oriented concept, it's only enabled in certain languages. Check out the Tutorial tab for learning materials and an instructional video! Task Write a Person class with an instance variable, , and a constructor that takes an integer, , as a parameter. The constructor must assign to after confirming the argument passed as is not negative; if a negative argument is passed as , the constructor should set to and print Age is not valid, setting age to 0. . In addition, you must write the following instance methods: yearPasses() should increase the instance variable by . amIOld() should perform the following conditional actions: If , print You are young. . If and , ...