Demonstrates the use of a JColorChooser which presents a dialog with three different tabbed panes to allow the user to select a color preference. The dialog returns a Color object based on the user’s selection or null if the user entered Cancel. import java.awt.*; import java.awt.event.*; import javax.swing.*; /** Simple example illustrating the use of …
Category: Code . Programming Samples . প্রোগ্রাম উদাহরন
Code . Programming Samples . প্রোগ্রাম উদাহরন
Aug 25
WebClient – Client application that can talk interactively to Web servers. Requires the components listed below
import java.awt.*; // For BorderLayout, GridLayout, Font, Color. import java.awt.event.*; import java.util.*; import javax.swing.*; /** A graphical client that lets you interactively connect to * Web servers and send custom request lines and * request headers. * * Taken from Core Web Programming from * Prentice Hall and Sun Microsystems Press, * . * © …
Aug 25
EchoServer.java A simple HTTP server that creates a Web page showing all data sent from the client (browser), including all HTTP request headers sent form the client. Uses the following classes
EchoServer.java A simple HTTP server that creates a Web page showing all data sent from the client (browser), including all HTTP request headers sent form the client. Uses the following classes: import java.net.*; import java.io.*; import java.util.StringTokenizer; /** A simple HTTP server that generates a Web page showing all * of the data that …
Aug 25
StoppableThread.java A template to place a thread in a RUN, WAIT, or STOP state.
/** A template to control the state of a thread through setting * an internal flag. public class StoppableThread extends Thread { public static final int STOP = 0; public static final int RUN = 1; public static final int WAIT = 2; private int state = RUN; /** Public …
Aug 25
mall example showing the basic use of a JToolBar
mall example showing the basic use of a JToolBar import java.awt.*; import javax.swing.*; import java.awt.event.*; /** Small example showing basic use of JToolBar. * * */ public class JToolBarExample extends JFrame implements ItemListener { private BrowserToolBar toolbar; private JCheckBox labelBox; public static void main(String[] args) { new JToolBarExample(); } …
Aug 25
UrlRetriever2.java Illustrates how the URL class can simplify communication to an HTTP server.
UrlRetriever2.java Illustrates how the URL class can simplify communication to an HTTP server. import java.net.*; import java.io.*; /** Read a remote file using the standard URL class * instead of connecting explicitly to the HTTP server. * * Taken from Core Web Programming from * Prentice Hall and Sun Microsystems Press, * . * © …
Aug 25
RMI Example – Message, illustrates retrieving a message from an object located on a remote server. Requires the following classes
Rem.java Establishes which methods the client can access in the remote object. import java.rmi.*; /** The RMI client will use this interface directly. The RMI * server will make a real remote object that implements this, * then register an instance of it with some URL. * * Taken from Core Web Programming from * …
Aug 25
Creates three common types of sliders
Creates three common types of sliders: one without tick marks, one with tick marks, and one with both tick marks and labels. import java.awt.*; import javax.swing.*; /** Simple example illustrating the use of JSliders, especially * the ability to specify tick marks and labels. * * */ public class JSliders extends JFrame { …
Aug 25
Basic Swing Details
WindowUtilities.java Utility class that simplifies creating a window and setting the look and feel. ExitListener.java A WindowListener with support to close the window. JAppletExample.java A simple applet (JApplet) created in Swing. Illustrates setting the look and feel, adding components to the content pane, and changing the layout to FlowLayout (default is BorderLayout). See JAppletExample.html (requires …
Aug 24
UrlRetriever.java Accepts an URL from the command line, parses the host, port, and URI components from the URL and then retrieves the document. Requires the following classes
UrlRetriever.java Accepts an URL from the command line, parses the host, port, and URI components from the URL and then retrieves the document. Requires the following classes: import java.util.*; /** This parses the input to get a host, port, and file, then * passes these three values to the UriRetriever class to * grab the …
