public double METHOD_1 ( ) { for ( int i = 1 ; i < INT_1 ; i ++ ) sum = ( sum ) + ( values . get ( i ) ) ; return ( sum ) / INT_1 ; } 

public double METHOD_1 ( ) { for ( int i = 0 ; i < ( values . size ( ) ) ; i ++ ) sum = ( sum ) + ( values . get ( i ) ) ; return ( sum ) / INT_1 ; } 
