All Happy Number Between 1 to n using Java Program | Java Program |
In this video we are going to learn how we can take inputs from the user as a ending Number and give an output of all Happy Number that is present between 1 and the user entered ending number using Java Program.
/*
Happy Number: Replace the number by the sum of the squares of its digits, and repeat the process . At the end, if the number is equals to 1 then it is a Happy Number, or it loops endlessly in a cycle that does not include 1 (if it is not a happy number then this process will end at 4).
For example:
23 is a Happy Number
23:- 2^2+3^2 = 13
13:- 1^2+3^2 = 10
10:- 1^2+0 = 1
As we reached to 1, 23 is a Happy Number.
42 is a UnHappy Number
42:- 4^2+2^2 = 20
20:- 2^2+0=4
As we reached to 4, 42 is a UnHappy Number.
*/
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