Subject: sw409 lecture 9/6/00

import java.util.*;

import java.awt.*;

public class DougException

extends RuntimeException {

public DougException(String s) {

super(s);

}

public DougException() {

}

}

public class Counters {

static Thread ta[] = new Thread[100];

public static void main(String args[]) {

for(int i = 0;i < ta.length;i++) {

ta[i] = new Thread(new Counter());

ta[i].start();

}

}

}

public class Counter implements Runnable {

//Thread t = new Thread(this);

private int i =0;

public static void main(String args[]) {

Counter c = new Counter();

//c.t.start();

}

public void run() {

for (int i=0; i < 10; i++)

System.out.println(i);

}

}

public class TrivialApplication extends Frame

{

static Vector customerNames

= new Vector();

private static int m = 0;

synchronized public void setM(int _m) {

m = _m;

}

public void init() {

setSize(200,200);

setVisible(true);

}

synchronized public void paint(Graphics g) {

g.drawString("Hello World!"+ m++,

100,100);

repaint(1000);

}

public static void main(String args[]) {

TrivialApplication

f = new TrivialApplication();

f.init();

}

public static void exceptionalExample(

String args[]) {

System.out.println(

"Hello World!" );

customerNames.add("Tom");

customerNames.add("Dick");

customerNames.add("Harry");

customerNames.add(

new DougException("Hello World!"));

for (int i = 0;

i < customerNames.size();

i++) {

System.out.println(

customerNames.elementAt(i));

}

//try {

// int i = 1/ 0;

//}

//catch (

// ArithmeticException e) {

// ha ha arian 4 blows up!!

//}

}

}