Hello! <%= coursePlainJavaPack.NumberProcedure.sumUpProcedure(15) %> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% package coursePlainJavaPack; public class NumberProcedure { public static int sumUpProcedure (int m){ // return sum of 1..m int x=0; // accumulator variable for (int i=1;i<=m;i++){ x=x+i; } return x; } }