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NetBeansEclipse.

: Java SE
))Java Standard Edition
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Java EE ))Java Enterprise Edition

. Java ME
))Java Micro Edition

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Java Fx

"RIA" "Rich Internet Applications."

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Refactor
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System.out.println("case two");
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Sun toString
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a string that "textuallythe toString method returnsof the object. In general,string representationReturns a
that is easy for a personconcise but informative representation. The result should be arepresents" this object
to read. It is recommended that all subclasses override this method.

this.firstName = firstName;
this.lastName = lastName;
this.age = age;
}
}

System.out.println(p);

overridetoString .Object

this.firstName = firstName;
this.lastName = lastName;
this.age = age;
old.";
}
}

javac arabteam.java
: compile
compile
. java
.class
java
(

Casting:

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;12=c,24= b,35=aint

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final .
:;final int s = 2
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global
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import java.util.GregorianCalendar
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compiler Uncheck Exception
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try

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public Boolean check format (String fileName) throws EO
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character 1

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swing
import javax.swing.*;

Frame2.setVisible(true); //
Frame2.setLocation(200,60); //
Frame2.setResizable(false); //
Frame2.setBackground(Color.BLUE); vcvcvcvcvv

new MainClass().setVisible(true);

Dimension dim =
int w = Frame2.getSize().width;
// Move the window
() Pack

:
Frame2.setSize(width, height);
:setSize
Example :
private Button button1 = new Button("Button 1");
public Pack() {
this.addWindowListener(new WindowAdapter() {
Pack mainFrame = new Pack();
}
}

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o

Label
setText() method
t1.setText("New Text"); // You can also use variables here
o

setText(String)

JButton
:

setVisible() Frame2.add(b);
JTextField
JTextField tf = new JTextField(); // The default
constructor
JTextField of size
and default text
o

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JFrame
frame.add(new JTextField("Hello World", 25)); // or // frame.add(tf);
o

combbox

JTextField

size and default text
JTextField
o : String Object

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com.addItem(comtxt);
o CombBox setEditable
com.setEditable(true);
list list = new JList(data); //data has type Object[]

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index

listModel.remove(index); o:
listModel.clear();
list.setSelectedItem(n);

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s = (String) list.getSelectedValue();

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: ListSelectionModel

- MULTIPLE_INTERVAL_SELECTION //(default select)
- SINGLE_INTERVAL_SELECTION // - SINGLE_SELECTION
// Create a list that allows adds and removes
DefaultListModel model = new DefaultListModel();
JList list = new JList(model);
String[] items = {"A", "B", "C", "D"};
for (int i=0; i<items.length; i++) {
listModel.add(i, items[i]);
pos = 0;
listModel.add(pos, "a");

listModel.set(pos, "b");

listModel.remove(pos);

}
o :list
// Remove all items
Swing:
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GUI Sun Microsystems Java
Swing.
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.

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JavaGUI .SWT IBM
IBM SWT
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SWT Swing
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: staticclassmethod

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:

swing .1
http://docs.oracle.com/javase/tutorial/uiswing/ swing

http://docs.oracle.com/javase/6/docs/technotes/guides/awt/
IBM swt .3
http://www.eclipse.org/swt/

googl
gwt .4

. RIA javafx UI .5
http://docs.oracle.com/javafx/
QT .6
http://qt-jambi.org/
GTK.7
http://java-gnome.sourceforge.net/

Color
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JDK 1.4 )uppercase)ORANGE
(Upper_Case .)
:

)class(Desktop )Method )browse
//get a Desktop object
try {
//open the default browser using the method browse which take an URI
object representing the web page
desktop.browse(new URI("http://arabteam2000-forum.com/" ));
}
:

.

. properties
.properties
properties:

:
"labels"

"_"
"ar"
"fr"

"en."
labels_ar.properties

....
.key
properties ISO-8859-1
unicode

.
java.util.Locale :

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.Locale
Locale .constructor
Locale arLocale = new Locale("ar");
--<2/php/code_list.php-hp://www.loc.gov/standards/iso639
java.util.ResourceBundle :
properties
Locale
.
getString .key
ResourceBundle getBundle
properties
labels_en.properties
"labels" .getBundle

.

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BufferedReader
Scanner:
BufferedReader :readLine
BufferedReader FileReaderconstructor

loop String
.
loop ()readLine null

.
BufferedReader reader = null;
}
}
: finallyreader
//...
//...
readLine
IOException
catch bloc
.
finally bloc
exception
.

: Scanner

Scanner scanner = new Scanner(new File("myfile.txt"));
loop ()nexLine
.

while (scanner.hasNextLine()) {
JPA:
Java Persistence APIs
framework- - )Database( OOP
. -
- ..
JPA ORM)(Object Relationship Mapping
.
: JDKJREJVM

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!
| | | | |

Compiler
jre
JRE (Java Runtime Environment)

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JVM (Java Virtual Machine)
.class .java

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Databases
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Collection interface
interface:SetList.
Set .
Two MethodConCrete Class
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Map Interfaca Collection
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new Listnew Setnew

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SetListQueue
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Collection
IteratableIterate
Iteratable Interface Iterator>--
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Iteratable Interface:
Iterator(() )
Iterator :

()boolean next

()void remove
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()Iterator Iterator
()boolean isEmpty
collection )true Or false) boolean
()int size
_ Object Based Methods:
)boolean equals(Object o
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()int hashCode
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_ Element Based Methods:
)boolean add(Object o
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)boolean remove(Object o
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)boolean contins(Object o
_ Output To Arrays Methods:
()Object[] toArray
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_ Collection Based Methods:
.AB
)boolean addAll(Collection c
.
)boolean containsAll(Collection c
)boolean removeAll(Collection c
.
()void clear
A .
)boolean retainAll(Collection c
:arrayListLinkedList
ArrayListLinkedList List
LinkedList
Queue , poll , peekArrayList)(

ArrayListarray

LinkedListsetget
setget
..arrayList ..
:LinkedList
List<String> staff = new LinkedList<>(); // LinkedList implements
List
iter.next(); // visit second element iter.remove(); // remove last
visited element

: List<String> list = new LinkedList<String>();

LinkedList
ArrayList
ArrayList
LinkedListArrayList LinkedList
ArrayListList interface ..
: (sorting)
Arrays.sort argument

System.out.println("array1 before sorting: " + Arrays.toString(array1));

:

compareTo

/
. comments

annotations
annotation processor :

..
annotations
JavaSE 5.

annotations
.

:
Override:@

override
.
compiler
)method signature(

.
:
override
toString
Object.
"S"
toStringlower caseupper case .
public class TestOverride {

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TestOverride.java:2: method does not override or implement a method from a supertype
@Override
^
error @Override

override

.
Deprecated:@
deprecated
compilation
)compiler warning.(
compilation
public class TestDeprecated {
}
}
:compiler
Note: TestDeprecated.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details .

-Xlint $ javac -Xlint TestDeprecated.java
d.someMethod()
warning
SuppressWarnings:@
.compiler
}
}
unchecked
java.util.List<String> list = new java.util.ArrayList();

@SuppressWarnings compilation
:

}
}

Annotations

:

.
meta-annotations
meta-annotations
)annotating the annotation.(

)Override, @Deprecated,
@SuppressWarnings(@ -meta
.

Target:@ :
ElementType.CONSTRUCTOR: .constructor
ElementType.FIELD: .
ElementType.LOCAL_VARIABLE: .
ElementType.METHOD: .
ElementType.PACKAGE: .
ElementType.PARAMETER:
constructor.
ElementType.TYPE: .enum
constructor :
@Target(ElementType.CONSTRUCTOR)

:

.
Retention:@ meta-annotation
)scope(
:
RetentionPolicy.SOURCE:
.class

)compiler, javadoc
Override, @SuppressWarnings.@
RetentionPolicy.CLASS:
.class
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RetentionPolicy.RUNTIME:
.class
Virtual Machine
.reflection
public @interface ConstructorAnnotation {}
Inherit:@
)subclasses(
.
.

:
.Markup Annotation

}

.
)method(
.

.

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)primitive types.(
String
java.lang.Class
enum
java.lang.annotation.Annotation
.
:
public @interface AnAnnotation {
// .
int id();

// .
String description() default "This is an annotation for testing";
}

public class SomeClass {
//...
}

: reflection .apt
reflection
reflection

: @.RetentionRetentionPolicy.RUNTIME
reflection
java.lang.reflect.AnnotatedElement.

:Class, Constructor, Field, Method,

public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass)

) constructor

(false
.
marker annotations.

.
Annotation[] getAnnotations()

.
.
Annotation[] getDeclaredAnnotations()

.
.
JavaBeans
.
.TableBean
reflection
RetentionPolicy.RUNTIMERetention.@
JavaBeans
ElementType.TYPETarget.@

}
.
JavaBean
.
) ...)NULL, NOTNULLprimary key, foreign key, unique

.
.IntVarChar Int
VarChar length

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@Retention .RetentionPolicy.RUNTIME
@Target ElementType.FIELD

}
.

.Class
)isAnnotationPresent(TableBean.class
@.TableBean
.
@Int @VarChar

)IntVarChar( .Hashtable
.SQL
import java.lang.reflect.Field;
import java.util.Hashtable;
//A Hashtable containing the name of the column, and its
type
Hashtable<String, String>();
StringBuilder query = new StringBuilder();
annotation
*/
}
}
}
@Int private int age;
Class[] c = {Person.class};
}
}
.
Databases
: )access(

NetBeans

.…
DB Mouses

Control Panel

)Data Source (ODBC
add ODBC

NetBeans
add

-
)
(

ok
…………………………………………..

Source
SQL
Import java.sql*

)Method(
:

– con

- sql

– search

- rs

)
(

try – catch

-Class forName

- DB

–

- dtm

&
– dtm

ID

– DB

- – dtm

- – DB

Connect

JTextField3
Search

Update

BRAND

Graphics 2D
:
Swing .JPanel
paintComponent.
Graphics
.
) Graphics
drawRect(int x, int y, int width, int height)

.xy width
.
fillRect(int x, int y, int width, int height)

.xy width
.
drawOval(int x, int y, int width, int height)

.xy width
.

.xy width
.

.x1y1 x2y2

.
setColor(Color c)
.
Graphics
.Sun

JFrame frm = new JFrame();

- " ".

. .
. (CLS (
CLS C1 C2 C3 C4 C5 C6 C7

Paint P=new Paint();
{
public void BCircle(Graphics g, int xc, int yc, int r){
int x = 0, y = r, s = 3-(2*r);
while(x<=y){
g.drawLine(xc+x, yc-y, xc+x, yc-y);
g.drawLine(xc-x, yc+y, xc-x, yc+y);
g.drawLine(xc-x, yc-y, xc-x, yc-y);

g.drawLine(xc-y, yc-x, xc-y, yc-x);
double ct,st;
double xt;
double x,y;
}
}
g.drawLine(x, y, x, y);
count=0;
count=0;
count=0;
count=0;
count=0;
count=0;
count=0;

screen.jpg

* To change this license header, choose License Headers in Project
Properties.
* and open the template in the editor.
*/
*/
f=new JFrame("capture image");
JOptionPane.showMessageDialog(null,"
"+File.pathSeparator);
} catch (IOException ex) {
}
}
-splash

// Splash.java
public static void main(String[] args) {
// Throw a nice little title page up on the screen first
showSplash(3000);
}
// A simple little method to show a title screen in the
// center of the screen for a given amount of time.
public static void showSplash(int duration) {
JWindow splash = new JWindow();
splash.setBounds(200,100,455,500);
JLabel copyrt = new JLabel
try { Thread.sleep(duration); } catch (Exception e) {}
splash.setVisible(false);
Desktop desktop= Desktop.getDesktop();
//open the default browser using the method browse which take
an URI object representing the web page
desktop.browse(new URI("http://google.com"));
-count letter

import javax.swing.JOptionPane;
class CountEachLetter {
/** Main method */
// Prompt the user to enter a string
String s = JOptionPane.showInputDialog("Enter a string:");
// Invoke the countLetters method to count each letter
int[] counts = countLetters(s.toLowerCase());
String output = "";
// Display results
if (counts[i] != 0)
output += (char)('a' + i) + " appears " +
}
static int[] countLetters(String s) {
for (int i = 0; i < s.length() ; i++) {

-draw time

import java.awt.* ;
import java.awt.event.* ;
import javax.swing.* ;
{ public MaFenetre ()
{ setTitle ("PENDULE") ;
panControles.add (ok) ;
ok.addActionListener (this) ;
{ int h, m ; // pour les valeurs saisies
if (e.getSource() == ok)
saisieHeures.setText ("") ;
saisieMinutes.setText ("") ;
// si les valeurs obtenues sont valides, on les place dans
// les champs heures et minutes et on force le dessin
// sinon, on replace les anciennes valeurs dans les champs texte
repaint() ;
{ heures = h ; minutes = m ;
}
{ super.paintComponent(g) ;
boolean panTropLarge = (largeur>hauteur) ;
int rayon ;
g.drawOval (xCentre-rayon, yCentre-rayon, 2*rayon, 2*rayon) ;
// dessin grande aiguille
int minutes = fen.getMinutes() ;
g.drawLine (xCentre, yCentre,
(int)(xCentre+rayon*Math.cos(angle)),
g.drawLine (xCentre, yCentre,
(int)(xCentre+rayon/2.*Math.cos(angle)),
{ MaFenetre fen = new MaFenetre() ;

import java.awt.Color;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Action;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
mo n=new mo();
-calc

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.*;
import java.util.Currency;
import java.util.Set;
import javax.swing.*;
import javax.swing.JFrame;
import javax.swing.JTextField;
calc ali=new calc();
// icon = new ImageIcon ("k1.jpg");
p1.setBounds(20,100,100,100);
p2.setBounds(200,100,100,100);
p3.setBounds(380,100,100,100);
// p15.setBounds(450,100,60,20);
p4.setBounds(20,250,100,100);
p5.setBounds(200,250,100,100);
p6.setBounds(380,250,100,100);
p7.setBounds(20,400,100,100);
p8.setBounds(200,400,100,100);
p9.setBounds(380,400,100,100);
p15.setBounds(550,400,100,100);
}}}
}

:

maisam alrawi
Mai Kamel Amro

Mostafa Anter
Sabeel Akhras

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