Question

Write a java program ro check a no. is magic no. or not. USING SCANNER ​

Answer 1

Answer:

import java.util.*; public class JavaHungry { public static void main(String args[]) { System.out.println("Enter any number : "); Scanner scan = new Scanner(System.in); int inputNumber = scan.nextInt(); boolean result = checkMagicNumber(inputNumber); if(result) System.out.println(inputNumber +" is a Magic Number"); else System.out.println(inputNumber +" is NOT a Magic Number"); } public static boolean checkMagicNumber(int inputNumber) {   // Initialize sumOfDigits of inputNumber  int sumOfDigits = 0;  // Create a copy of the inputNumber  int number = inputNumber;  while( sumOfDigits > 9 || number > 0) { /* if number is zero and sumOfDigits is non-zero then the loop will continue. Loop will stop when number is zero and sumOfDigits becomes a single digit */ if (number == 0) { number = sumOfDigits; sumOfDigits = 0; } sumOfDigits = sumOfDigits + (number % 10); number = number / 10; }    /* If sumOfDigits is equal to 1 then the number is Magic number, otherwise not */   return (sumOfDigits == 1); } }

Explanation:

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Answer 2

Answer:

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