Question

Write a program in java input a number and check whehter it is a happy number or not. with VDT table​

Answer 1

Answer:

public class HappyNumber.

{

//isHappyNumber() will determine whether a number is happy or not.

public static int isHappyNumber(int num){

int rem = 0, sum = 0;

//Calculates the sum of squares of digits.

while(num > 0){

rem = num%10;

Answer 2

Answer:

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