JSP Error Charts & Graphs

Download JSP Chart Samples 
<%@ page language="java" contentType="text/html; charset=UTF-8"	pageEncoding="UTF-8"%>
<%@ page import="java.util.*" %>
<%@ page import="com.google.gson.Gson"%>
<%@ page import="com.google.gson.JsonObject"%>

<%
Gson gsonObj = new Gson();
Map<Object,Object> map = null;
List<Map<Object,Object>> list = new ArrayList<Map<Object,Object>>();

map = new HashMap<Object,Object>(); map.put("label", "Order Accuracy"); map.put("y", 96); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Packaging"); map.put("y", 70); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Quantity"); map.put("y", 87); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Quality"); map.put("y", 92); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Delivery"); map.put("y", 72); list.add(map);

String dataPoints1 = gsonObj.toJson(list);

list = new ArrayList<Map<Object,Object>>();
map = new HashMap<Object,Object>(); map.put("label", "Order Accuracy"); map.put("y", new Integer[] {93,98}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Packaging"); map.put("y", new Integer[] {67,73}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Quantity"); map.put("y", new Integer[] {83,91}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Quality"); map.put("y", new Integer[] {89,95}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Delivery"); map.put("y", new Integer[] {68,75}); list.add(map);

String dataPoints2 = gsonObj.toJson(list);
%>

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/javascript">
window.onload = function() { 

var chart = new CanvasJS.Chart("chartContainer", {
	animationEnabled: true,  
	title:{
		text: "Quality of Service - Survey"
	},
	axisY:{
		title: "Response Values",
		includeZero: true
	},
	toolTip: {
		shared: true
	},
	data: [{
		type: "column",
		name: "Avg. Score",
		toolTipContent: "<b>{label}</b> <br> <span style=\"color:#4F81BC\">{name}</span>: {y}",
		dataPoints: <%out.print(dataPoints1);%>
	},
	{
		type: "error",
		name: "Variability Range",
		toolTipContent: "<span style=\"color:#C0504E\">{name}</span>: {y[0]} - {y[1]}",
		dataPoints: <%out.print(dataPoints2);%>
	}]
});
chart.render();

}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; width: 100%;"></div>
<script src="https://cdn.canvasjs.com/canvasjs.min.js"></script>
</body>
</html>