index.jsp helloBar com.helloBar.helloBar helloBar /bar.do helloBarEvaporation com.helloBar.helloBarEvaporation helloBarEvaporation /barEvaporation.do helloBarRainfall com.helloBar.helloBarRainfall helloBarRainfall /barRainfall.do Add BA_Control.Add Add /Add changePerform BA_Control.changePerform changePerform /changePerform Delete BA_Control.Delete Delete /Delete pieChange BA_Control.pieChange pieChange /pieChange helloLine helloLine.helloLine helloLine /line.do helloPie helloPie.helloPie helloPie /pie.do helloLine2 helloLine.helloLine2 helloLine2 /line2.do