JSP Stacked Bar 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", "2010"); map.put("y", 1828); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2011"); map.put("y", 1723); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2012"); map.put("y", 1511); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2013"); map.put("y", 1571); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2014"); map.put("y", 1569); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2015"); map.put("y", 1350); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2016"); map.put("y", 1241); list.add(map);

String dataPoints1 = gsonObj.toJson(list);

list = new ArrayList<Map<Object,Object>>();
map = new HashMap<Object,Object>(); map.put("label", "2010"); map.put("y", 399); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2011"); map.put("y", 409); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2012"); map.put("y", 493); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2013"); map.put("y", 444); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2014"); map.put("y", 444); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2015"); map.put("y", 527); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2016"); map.put("y", 547); list.add(map);

String dataPoints2 = gsonObj.toJson(list);

list = new ArrayList<Map<Object,Object>>();
map = new HashMap<Object,Object>(); map.put("label", "2010"); map.put("y", 43); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2011"); map.put("y", 37); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2012"); map.put("y", 30); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2013"); map.put("y", 34); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2014"); map.put("y", 37); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2015"); map.put("y", 35); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "2016"); map.put("y", 33); list.add(map);

String dataPoints3 = 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", {
	title: {
		text: "Carbon Dioxide Emissions from Energy Consumption"
	},
	axisY: {
		title: "Million Metric Tons of Carbon Dioxide"
	},
	legend: {
		verticalAlign: "top"
	},
	toolTip: {
		shared: true
	},
	data: [{
		type: "stackedBar",
		name: "Coal",
		showInLegend: true,
		dataPoints: <%out.print(dataPoints1);%>
	},
	{
		type: "stackedBar",
		name: "Natural Gas",
		showInLegend: true,
		dataPoints: <%out.print(dataPoints2);%>
	},
	{
		type: "stackedBar",
		name: "Others",
		showInLegend: true,
		dataPoints: <%out.print(dataPoints3);%>
	}]
});
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>