Perfect Cube String | Java program to find if String is a perfect cube or not . ; Finding ASCII values of each character and finding its sum ; Find the cube root of sum ; Check if sum is a perfect cube ; Driver code
import java . util . * ; class GFG { static boolean isPerfectCubeString ( String str ) { int sum = 0 ; for ( int i = 0 ; i < str . length ( ) ; i ++ ) sum += ( int ) str . charAt ( i ) ; double cr = Math . round ( Math . cbrt ( sum ) ) ; return ( cr * cr * cr == sum ) ; } public static void main ( String [ ] args ) { String str = " ll " ; if ( isPerfectCubeString ( str ) ) System . out . print ( " Yes " ) ; else System . out . print ( " No " ) ; } }