text: Average of a stream of numbers | Java program to find average of a stream of numbers ; Returns the new average after including x ; Prints average of a stream of numbers ; Driver program to test above functions
code: class GFG { static float getAvg ( float prev_avg , float x , int n ) { return ( prev_avg * n + x ) / ( n + 1 ) ; } static void streamAvg ( float arr [ ] , int n ) { float avg = 0 ; for ( int i = 0 ; i < n ; i ++ ) { avg = getAvg ( avg , arr [ i ] , i ) ; System . out . printf ( "Average of %d numbers is %f NEW_LINE", i + 1, avg); } return ; } public static void main ( String [ ] args ) { float arr [ ] = { 10 , 20 , 30 , 40 , 50 , 60 } ; int n = arr . length ; streamAvg ( arr , n ) ; } }