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Java Programming - Essay Example

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Java Programming

dw.fill(c2);

Circle c3 = new Circle(5,10,20);
dw.setForeground(Color.YELLOW);
dw.fill(c3);
}
Rect r3 = new Rect(20,y+36,800,30);
dw.setForeground(Color.GRAY);
dw.fill(r3);
}}
Third program: (Anim3.java)
import element.*;
import java.awt.Color;
public class Anim1
{
public static void wait(float number) // wait(number);
//pre: nothing
//post: pause for some seconds
{
int i;
for (i = 0; i < number; i++)
{
long now = System.currentTimeMillis();
long then = now + 1000; //one second
while (System.currentTimeMillis() < then)
{} //do nothing
}
}

public static void waitClear(DrawingWindow target) //waitClear(target);
//pre: we have a drawing window to clear
//post: it is cleared, essentially moving onto the next frame of the animation.
{
wait(5E-1F);
Rect boundary = target.bounds();
target.clear(boundary);
}

public static void main(String args[])
{
DrawingWindow dw = new DrawingWindow(800,800);
int road=1;int y=80;int c;



for(int x=20;x ...Show more

Summary

The DrawWindow class in Java's element package is a very useful tool and a program is written to demonstrate its capability in animation. There are methods for using arcs, lines, rectangles, circles and other forms using these basic features. Also, colors can be included through the java.awt package.
Author : ryleeorn
Java Programming Essay essay example
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