Question

write a program to enter a number and check and print whether it is a tech number or not ​

Answer 1

Answer:  CODE :

import java.util.*;

class Tech_number

{

public static void main(String args[])

{

Scanner sc = new Scanner( System.in );

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

int n=sc.nextInt();

int c=0;

while(n>0)

{

c++;

n=n/10;

}

if(c%2==0)

System.out.println("Tech number");

else

System.out.print("Not a tech number");

}

}

Explanation:

Take the input and count digits by using while loop .

Then check whether the number of digits is even or not .