java applets | Student Projects

Java program to implement a shape selector from a given set of shapes

Editorial Team — Sun, 04 Apr 2010 17:26:30 +0000

To implement a shape selector from a given set of shapes

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

public class shape extend Applet implements itemListener
{
	Chekbox reet,circle,line;
	ChekboxGroup cbg;

	String msg;
	String s1="reet";
	String s2="circle";
	string s3="line";
	publice void init()
	{
		cbg=new checkboxGroup();

		rect = new checkbox("reet,cbg,tru);
		circle = new Checkbox("circle",cbg.false);
		line = new Checkbox("line",cbg,false);

		add(reet);
		add(circle);
		add(line);

		rect.addItemListener(this);
		circle.addItemLisener(this);
		line.addItemListener(this);	
	}
	public void item StateChanged(ItemEvent ie)
	{
		repaint();
	}
	publice void paint(Graphics g)
	{
		msg=cbg.getSlectedCheckbox().getLabel();
		if(masg.compareTo(s1)==0)
		{
			g.drawRect(10,40,40,80);
		}
		else if(msg.compareTo(s2)==0)
		{
			g.drawOvel(10,40,80,80);
		}
		else
		{
			g.drawLine(0,0,100,100);
		}
	}
}

The post Java program to implement a shape selector from a given set of shapes first appeared on Student Projects.

Java applet program that allows the user to draw lines, rectangles and ovals

Editorial Team — Sun, 04 Oct 2009 16:05:48 +0000

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


*/
public class Sujith extends Applet
{
	public void paint(Graphics g)
	{
		for(int i=0;i<=250;i++)
		{
			Color c1=new Color(35-i,55-i,110-i);
			g.setColor(c1);
			g.drawRect(250+i,250+i,100+i,100+i);
			g.drawOval(100+i,100+i,50+i,50+i);
			g.drawLine(50+i,20+i,10+i,10+i);
		}
	}
}

Output:

Java applet progrme for draw lines, circle, rectangle

The post Java applet program that allows the user to draw lines, rectangles and ovals first appeared on Student Projects.

Java applet program for handling mouse events

Editorial Team — Sun, 04 Oct 2009 15:11:32 +0000

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
/*


*/
public class Mouse extends Applet
implements MouseListener,MouseMotionListener
{
	int X=0,Y=20;
	String msg="MouseEvents";
	public void init()
	{
		addMouseListener(this);
		addMouseMotionListener(this);
		setBackground(Color.black);
		setForeground(Color.red);
	}
	public void mouseEntered(MouseEvent m)
	{
		setBackground(Color.magenta);
		showStatus("Mouse Entered");
		repaint();
	}
	public void mouseExited(MouseEvent m)
	{
		setBackground(Color.black);
		showStatus("Mouse Exited");
		repaint();
	}
	public void mousePressed(MouseEvent m)
	{
		X=10;
		Y=20;
		msg="NEC";
		setBackground(Color.green);
		repaint();
	}
	public void mouseReleased(MouseEvent m)
	{
		X=10;
		Y=20;
		msg="Engineering";
		setBackground(Color.blue);
		repaint();
	}
	public void mouseMoved(MouseEvent m)
	{
		X=m.getX();
		Y=m.getY();
		msg="College";
		setBackground(Color.white);
		showStatus("Mouse Moved");
		repaint();
	}
	public void mouseDragged(MouseEvent m)
	{
		msg="CSE";
		setBackground(Color.yellow);
		showStatus("Mouse Moved"+m.getX()+" "+m.getY());
		repaint();
	}
	public void mouseClicked(MouseEvent m)
	{
		msg="Students";
		setBackground(Color.pink);
		showStatus("Mouse Clicked");
		repaint();
	}
	public void paint(Graphics g)
	{
		g.drawString(msg,X,Y);
	}
}

Output:

Java mouse handling events

The post Java applet program for handling mouse events first appeared on Student Projects.