question: protected static void drawDataPoint ( double x , double y , double xprev , double yprev , int size , int shape , Graphics gx ) { drawDataPoint ( x , y , size , shape , gx ) ; gx . drawLine ( ( int ) x , ( int ) y , ( int ) xprev , ( int ) yprev ) ; }
target:  Draws a data point at a given set of panel coordinates at a given size and connects a line to the previous point.