# BPIIW1 - COMPUTER PROGRAMMING II 2012 WEEK 1 WEEK1 CLASS...

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COMPUTER PROGRAMMING II 2012 WEEK 1 WEEK1 CLASS EXERSIZES (Wil be shown at the and of Lab class) EX1 ) study class starP and draw a triangle by using a similar program triangleP . You give the traingle coordinates. class H1Ex7 { public static void main(String args[]) { starP pp=new starP(); FrameGraphic.plot("Plot window",pp); }} import javax.swing.*; import java.awt.Graphics; import java.awt.*; import java.awt.event.*; import java.awt.geom.*; public class starP extends JPanel { public void paint(Graphics g) { int x[]={55,67,109,73,83,55,27,37,1,43}; int y[]={0,36,36,54,96,72,96,54,36,36}; Graphics2D g2=(Graphics2D)g; GeneralPath star=new GeneralPath(); star.moveTo(x[0],y[0]); for(int i=1;i<x.length;i++) {star.lineTo(x[i],y[i]);} star.closePath(); g2.setColor(Color.blue); g2.draw(star); } }

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The shape you should draw: EX2 ) study class plot2P. Plot fonction y=x*x-2/x by using class plot2P between x=1 and x=5 . Use FrameGraphic. import javax.swing.*; import java.awt.Graphics; import java.awt.*; import java.awt.event.*; import java.awt.geom.*; abstract class f_x { abstract double func(double x);} public class plot2P extends JPanel { int x[]; int y[];
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• Fall '13
• lab class, class plot2P

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