Program to get the Sum of series : 1 | Java program to get the sum of the series ; Function to get the series ; Sum of n - 1 terms starting from 2 nd term ; Driver Code
import java . io . * ; class MathSeries { static double Series ( double x , int n ) { double sum = 1 , term = 1 , fct , j , y = 2 , m ; int i ; for ( i = 1 ; i < n ; i ++ ) { fct = 1 ; for ( j = 1 ; j <= y ; j ++ ) { fct = fct * j ; } term = term * ( - 1 ) ; m = Math . pow ( x , y ) / fct ; m = m * term ; sum = sum + m ; y += 2 ; } return sum ; } public static void main ( String [ ] args ) { double x = 3 ; int n = 4 ; System . out . println ( Math . round ( Series ( x , n ) * 10000.0 ) / 10000.0 ) ; } }