Question

write a program to check whether number is magic number or not in java with if statement​

Answer 1

Answer:

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Explanation:

import java.util.*;

public class MagicNumberCheck

{

public static void main(String args[])

{

Scanner ob=new Scanner(System.in);

System.out.println("Enter the number to be checked.");

int n=ob.nextInt();

int sum=0,num=n;

while(num>9)

{

sum=num;int s=0;

while(sum!=0)

{

s=s+(sum%10);

sum=sum/10;

}

num=s;

}

if(num==1)

{

System.out.println(n+" is a Magic Number.");

}

else

{

System.out.println(n+" is not a Magic Number.");

}

}

}

Answer 2

Answer:

import java.util.Scanner;  

class MagicNum

{  

   public static void main()  

   {  

       Scanner in=new Scanner(System.in);  

       int n;  

       System.out.println("Enter a number");  

       n=in.nextInt();  

       if(n%9==1)  

           System.out.println("Magic Number");  

       else  

           System.out.println("Not a Magic Number");

   }

}

Explanation: