My Little Code snippet

Saturday, June 18, 2011

Simple JSP code

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"

pageEncoding="ISO-8859-1"

import="de.vogella.wtp.jsp.controller.*,java.util.*"%>

DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>Show all namestitle>

head>

<body>

<table>

ArrayList users = new ArrayList();

if (request.getSession(true).getValue("users") instanceof ArrayList) {

users = (ArrayList) request.getSession(true).getValue("users");

}

for (User user : users) {

<tr>

td>

tr>

}

;

table>

<p>

<input type="submit" name="delete" value="delete" /> <input

type="submit" name="edit" value="edit" /> <input type="reset"

value="reset" />

form>

body>

html>

//MyFirstUI.java
package ui;

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class MyFirstUI extends JFrame implements ActionListener{

    /**
    *
    */
    private static final long serialVersionUID = 1L;
    private JCheckBox checkbox;
    private JTextField firstName;
    private JTextField lastName;

    public MyFirstUI() {

        // Lets make it look nice
        // This you can ignore / delete if you don't like it
        // try {
        // for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
        // if ("Nimbus".equals(info.getName())) {
        // UIManager.setLookAndFeel(info.getClassName());
        // break;
        // }
        // }
        // } catch (Exception e) {
        // e.printStackTrace();
        // }

        setTitle("My First UI");

        // We create a panel which will hold the UI components
        JPanel pane = new JPanel(new BorderLayout());
        // We always have two UI elements (columns) and we have three rows
        int numberOfRows = 3;
        int numberOfColumns = 2;
        pane.setLayout(new GridLayout(numberOfRows, numberOfColumns));

        // create and attach buttons
        // create a label and add it to the main window
        JLabel firstNamelabel = new JLabel(" Firstname: ");
        pane.add(firstNamelabel);
        firstName = new JTextField();
        pane.add(firstName);

        JLabel lastNamelabel = new JLabel(" Lastname: ");
        pane.add(lastNamelabel);
        lastName = new JTextField();
        pane.add(lastName);

        JButton sayHello = new JButton("Say something");
        pane.add(sayHello);

        checkbox = new JCheckBox("Nice");
        pane.add(checkbox);

        // Add the pane to the main window
        getContentPane().add(pane);

        // Pack will make the size of window fitting to the compoents
        // You could also use for example setSize(300, 400);
        pack();

        // Set a tooltip for the button
        sayHello.setToolTipText("This button will say something really nice of something bad");
        // sayHello need to do something
        sayHello.addActionListener(this);
    }
    public void actionPerformed(ActionEvent e) {
        if (!checkbox.isSelected()) {
            JOptionPane.showMessageDialog(null, "I don't like you, "
                    + firstName.getText() + " " + lastName.getText() + "!");
        } else {
            JOptionPane.showMessageDialog(null, "How are you, "
                    + firstName.getText() + " " + lastName.getText() + "?");
        }
    }

}

//MainTester.java
package test;

import ui.MyFirstUI;

public class MainTester {
    public static void main(String[] args) {
        MyFirstUI view = new MyFirstUI();
        view.setVisible(true);
    }
}

Thursday, June 16, 2011

JSP developing using eclips & tomcat resources

JSP developing using eclipse and tomcat resources

http://www.vogella.de/articles/Eclipse/article.html#overview {eCLIPS IDE tutorial}
http://www.vogella.de/articles/EclipseWTP/article.html {JAVA EE WTPl}
http://www.vogella.de/java.html {very good tutorials for beginners}

JSP & Servlet tutorial

Wednesday, March 9, 2011

iPhone nice resources

String Format Specifiers
http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/Strings/Articles/formatSpecifiers.html

Learn Objective-C
http://cocoadevcentral.com/d/learn_objectivec/
http://www.otierney.net/objective-c.html

Thursday, February 17, 2011

Objective C

1-
self.[propertynam]=value; //you have to use @property otherwise it will not work