NicomachusÃƒÆ ’ Ã † â €™ Ãƒâ € Ã ¢ â ‚¬ â „¢¢ ÃƒÆ ’ Ã † â €™¢ ÃƒÆ ’¢ Ãƒ ¢ Ã ¢ â ‚¬ Å ¡¬ Ãƒâ €¦¡¬ ÃƒÆ ’ Ã † â €™¢ ÃƒÆ ’¢ Ãƒ ¢ Ã ¢ â ‚¬ Å ¡¬ Ãƒâ €¦¾¢ s Theorem ( Sum of k | Efficient Java code to find sum of k - th group of positive odd integers . ; Return the sum of kth group of positive odd integer . ; Driver program to test above methods
import java . util . Arrays ; import java . util . Collections ; class GFG { public static int kthgroupsum ( int k ) { return k * k * k ; } public static void main ( String [ ] args ) { int k = 3 ; System . out . print ( kthgroupsum ( k ) ) ; } }