HTML and CSS basis [video]

http://css-tricks.com/video-screencasts/58-html-css-the-very-basics/

Using javascript to display RSS

Javascript to parse RSS
Simple AJAX style example
Using javascript library

Using java to retrive and display RSS

Basic method to retrieve RSS content
Another widely used method to retrieve RSS content by TAG

The RSS example

P2P programming using Java RMI

RMI server side
RMI client side

A thread works as both server and client

P2P file uploading program using Java RMI

File uploading program using Java RMI

Advanced Thread Programming: Synchronization

import java.util.*;

public class Que {

/**
* @param args
*/
public static void main(String[] args) {

mapQ q = new mapQ();

new genQ(q);
new conQ(q);
}
}

////////////////// the commodity Queue /////////////////
class mapQ {

String s;
LinkedList que = new LinkedList();

synchronized void put(String s) {

if (que.size()>10)
try {
wait();
}
catch(InterruptedException e) {
System.out.println("InterruptedException caught");
}
que.addLast(s);
System.out.println("Put: " + s);
notify();
}

synchronized String get() {

if (que.isEmpty())
try {
wait();
}
catch (InterruptedException e) {
System.out.println("InterruptedException caught");
}
String temps = (String) que.removeFirst();
//System.out.println(que);
System.out.println("Got: " + temps);
notify();

return temps;
}
}

//////////////// producer /////////////////////
class genQ implements Runnable {
mapQ q;

genQ(mapQ q) {
this.q=q;
new Thread(this, "Producer").start();
}
public void run() {
int i=0;

while(true) {
int tempi = i++;
q.put(Integer.toString(tempi));
}
}
}

/////////////// consumer ///////////////////////
class conQ implements Runnable {
mapQ q;

conQ(mapQ q) {
this.q=q;
new Thread(this, "Consumer").start();
}

public void run() {
while(true) {
q.get();
}
}
}

Echo Server/Client example

Client side
Server side
Server txt (as database)