Java Applet: Draw a bar chart, Values placed in an HTML attributes and Display bar-chart

Write a JAVA program to draw a bar chart for the table given below which shows annual result analysis of a school from period 2001-2005. These values may be placed in an HTML file as <param> attributes and then used in Applet for displaying bar-chart. Write a program to draw a bar chart for the table given below which shows annual result analysis of a school from period 2001-2005.

YearResult %
200180
200290
2003100
2004100
200598

import java.applet.*;
import java.awt.*;

/*
<applet code = "BarChart.class" width=400 height=400>

<param name="year0" value="2001">
<param name="year1" value="2002">
<param name="year2" value="2003">
<param name="year3" value="2004">
<param name="year4" value="2005">

<param name="result0" value="80">
<param name="result1" value="90">
<param name="result2" value="100">
<param name="result3" value="100">
<param name="result4" value="98">

</applet>
*/

public class BarChart extends Applet
{
	int n;
	String year[];
	int value[];

	public void init()
	{
		n = 5;
		year = new String[n];
		value = new int[n];

		year[0] = getParameter("year0");
		year[1] = getParameter("year1");
		year[2] = getParameter("year2");
		year[3] = getParameter("year3");
		year[4] = getParameter("year4");

		value[0] = Integer.parseInt(getParameter("result0"));
		value[1] = Integer.parseInt(getParameter("result1"));
		value[2] = Integer.parseInt(getParameter("result2"));
		value[3] = Integer.parseInt(getParameter("result3"));
		value[4] = Integer.parseInt(getParameter("result4"));

	}

	public void paint(Graphics g)
	{
		Font font = new Font("Arial",Font.BOLD,15);
		g.setFont(font);
		for(int i  = 0; i < n; i ++)
		{
			g.setColor(Color.BLUE);
			g.drawString(year[i], 20, i * 50 + 30);
			g.setColor(Color.RED);
			g.fillRect(70, i * 50 + 10, value[i], 40);
			g.drawString(String.valueOf(value[i]) + "%", 180, i * 50 + 35);
		}

		String msg = "Bar Chart from Year 2001 - 2005";
		g.setColor(Color.darkGray);

		font = new Font("Arial",Font.BOLD,20);
		g.setFont(font);
		g.drawString(msg, 50, 300);
	}
}

 

Rabins Sharma Lamichhane

Rabins Sharma Lamichhane is the owner of RabinsXP who is constantly working for increasing Internet of Things (IoT) in Nepal. He also builds android apps and crafts beautiful websites. He is also working with various social services. The main aim of Lamichhane is to digitally empower the citizens of Nepal and make the world spiritually sound better both in terms of technology and personal development.

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