JAVA- Tech Number Program.
Easy way to solve TECH NUMBER program. import java . util . Scanner ; public class TechNumber { public static void main ( String args []) { int n , num , firstHalf , secondHalf , digits = 0 , squareOfSum = 0 ; Scanner sc = new Scanner ( System . in ); System . out . print ( "Enter a number to check: " ); n = sc . nextInt (); num = n ; while ( num > 0 ) { digits ++ ; num = num / 10 ; } if ( digits % 2 == 0 ) { num = n ; firstHalf = num % ( int ) Math . pow ( 10 , digits / 2 ); secondHalf = num / ( int ) Math . pow ( 10 , digits / 2 ); squareOfSum = ( firstHalf + secondHalf ) * ( firstHalf + secondHalf ); if ( n == squareOfSum ) { System . out . println ( n + " is a tech number." ); } else { System . out . println ( n + " ...