Java program coding interview questions on numbers

Let, Given number be n , count the number of digits present in this number Example : Input n= 9876 Output: 4 There are 4 digits in 9876 , which are 9 , 8 , 7 & 6. Approach : In this approach count the digits by removing the digits from the given number starting […]

Given number is z , determine whether this number is Armstrong Number or not. A positive integer number of n digits is called an Armstrong Number of order n if abcd…=pow(a,n) + pow(b, n) +pow(c,n)+pow(d,n)+………, where a, b, c, d are digits of input number abcd….., n is the number of digits present in the