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#contents
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*¥ê¥¹¥Ê¡¼ÅÐÏ¿¤Î³Æ¼ïÊýË¡ [#u18f8b05]
**¥ê¥¹¥Ê¡¼¥¯¥é¥¹¤ò·Ñ¾µ¤·¤ÆºîÀ®¤·¤¿¥ª¥ê¥¸¥Ê¥ë¤Î¥ê¥¹¥Ê¡¼¥¯¥é¥¹Æâ¤Ë¡¢¸Æ¤Ó½Ð¤·¸µ¤ÎFrame¥¤¥ó¥¹¥¿¥ó¥¹¤ò»²¾È¤¹¤ë¥Õ¥£¡¼¥ë¥É¤òÍÑ°Õ¤¹¤ëÊýË¡ [#i017785c]
**¥ê¥¹¥Ê¡¼¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ò¥¤¥ó¥×¥ê¥á¥ó¥È¤·¤ÆºîÀ®¤·¤¿¥ª¥ê¥¸¥Ê¥ë¤Î¥ê¥¹¥Ê¡¼¥¯¥é¥¹Æâ¤Ë¡¢¸Æ¤Ó½Ð¤·¸µ¤ÎFrame¥¤¥ó¥¹¥¿¥ó¥¹¤ò»²¾È¤¹¤ë¥Õ¥£¡¼¥ë¥É¤òÍÑ°Õ¤¹¤ëÊýË¡ [#i017785c]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
Button b1;
public SampleApp() {
this.setSize(300, 200);
b1 = new Button("Click");
MyButtonActionAdapter ba = new MyButtonActionAdapter();
ba.sampleApp = this;
b1.addActionListener(ba);
this.add(b1,BorderLayout.CENTER);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
}
class MyButtonActionAdapter implements ActionListener {
SampleApp sampleApp;
public void actionPerformed(ActionEvent ev) {
sampleApp.b1.setLabel("you clicked.");
}
}
**¥ê¥¹¥Ê¡¼¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ò¥¤¥ó¥×¥ê¥á¥ó¥È¤·¤ÆºîÀ®¤·¤¿¥ª¥ê¥¸¥Ê¥ë¤Î¥ê¥¹¥Ê¡¼¥¯¥é¥¹¤ò¡¢Frame¥¯¥é¥¹¤ò·Ñ¾µ¤·¤¿¥ª¥ê¥¸¥Ê¥ë¥¯¥é¥¹¤ÎÆâÉô¥¯¥é¥¹¤Ë¤¹¤ëÊýË¡¡ú¡ú¡ú [#yf6c2dfb]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
Button b1;
public SampleApp() {
this.setSize(300, 200);
b1 = new Button("Click");
b1.addActionListener(new MyButtonActionAdapter());
this.add(b1,BorderLayout.CENTER);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
class MyButtonActionAdapter implements ActionListener {
public void actionPerformed(ActionEvent ev) {
b1.setLabel("you clicked.");
}
}
}
**Frame¥¯¥é¥¹¤ò·Ñ¾µ¤·¤¿¥¯¥é¥¹¤Ë¡¢¥ê¥¹¥Ê¡¼¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ò¥¤¥ó¥×¥ê¥á¥ó¥È¤·¡¢¥¤¥Ù¥ó¥È¥ê¥¹¥Ê¡¼¤òÄêµÁ¤¹¤ëÊýË¡ [#i8706747]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame implements ActionListener {
Button b1;
public SampleApp() {
this.setSize(300, 200);
b1 = new Button("Click");
b1.addActionListener(this);
this.add(b1,BorderLayout.CENTER);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
public void actionPerformed(ActionEvent ev) {
b1.setLabel("you clicked.");
}
}
**¥¤¥Ù¥ó¥È¥ê¥¹¥Ê¡¼Äɲûþ¤Ë¡¢¥¤¥Ù¥ó¥È¥ê¥¹¥Ê¡¼¤ò̵̾¥¯¥é¥¹¤È¤·¤ÆÄêµÁ¤¹¤ëÊýË¡¡ú¡ú [#ie4d1416]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
Button b1;
public SampleApp(){
this.setSize(300, 200);
b1 = new Button("Click");
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
b1.setLabel("you clicked.");
}
});
this.add(b1,BorderLayout.CENTER);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
}
¢¥¯¥í¡¼¥º¥Ü¥Ã¥¯¥¹¤ÇÊĤ¸¤ë½èÍý¤ò̵̾¥¯¥é¥¹¤ÇÄêµÁ¤¹¤ë¥µ¥ó¥×¥ë
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
public SampleApp(){
this.setSize(300, 200);
this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent ev) {
System.exit(0);
}
});
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
}
*¥ì¥¤¥¢¥¦¥È¥Þ¥Í¡¼¥¸¥ã¡¼Êѹ¹ÊýË¡ [#lf7af319]
**FlowLayout¤Ç¥Ü¥¿¥ó10¸Ä¤òÅÐÏ¿¤¹¤ë¥µ¥ó¥×¥ë [#v656b333]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
public SampleApp() {
this.setSize(300, 200);
this.setLayout(new FlowLayout());
for (int i = 0; i < 10; i++) {
this.add(new Button("No," + i));
}
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
}
**GridLayout¤Ç¥Ü¥¿¥ó10¸Ä¤òÅÐÏ¿¤¹¤ë¥µ¥ó¥×¥ë [#f0955659]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
public SampleApp() {
this.setSize(300, 200);
this.setLayout(new GridLayout(4, 4));
for (int i = 0; i < 10; i++) {
this.add(new Button("No," + i));
}
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
}
**¥ì¥¤¥¢¥¦¥È¥Þ¥Í¡¼¥¸¥ã¤ò»È¤ï¤º¤Ë¡¢¥Ü¥¿¥ó10¸Ä¤ò°ÌÃÖ¤ò·è¤á¤ÆÇÛÃÖ¤¹¤ë¥µ¥ó¥×¥ë [#uc52220f]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
public SampleApp() {
this.setSize(300, 200);
this.setLayout(new GridLayout(4, 4));
for (int i = 0; i < 10; i++) {
Button b = new Button("No," + i);
b.setBounds(new Rectangle(i * 25 + 50, i * 25 + 50, 100, 20));
this.add(b);
}
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
}
*³Æ¼ï¥³¥ó¥Ý¡¼¥Í¥ó¥È¥µ¥ó¥×¥ë [#ldf3c05a]
**Checkbox [#vea7a719]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
Checkbox cb1;
public SampleApp() {
this.setSize(300, 200);
cb1 = new Checkbox("not checked.");
cb1.addItemListener(new MyItemAdapter());
this.add(cb1,BorderLayout.CENTER);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
class MyItemAdapter implements ItemListener {
public void itemStateChanged(ItemEvent ev) {
if (cb1.getState()) {
cb1.setLabel("checked.");
} else {
cb1.setLabel("not checked.");
}
}
}
}
**RadioButton [#s019ba84]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
Button b1;
Label l1;
CheckboxGroup cg1;
public SampleApp() {
this.setSize(300, 200);
this.setLayout(new GridLayout(5, 1));
cg1 = new CheckboxGroup();
for (int i = 0; i < 3; i++) {
Checkbox cb = new Checkbox("No," + i, cg1, false);
this.add(cb);
}
l1 = new Label();
this.add(l1);
b1 = new Button("Click");
b1.addActionListener(new MyActionAdapter());
this.add(b1);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
class MyActionAdapter implements ActionListener {
public void actionPerformed(ActionEvent ev) {
Checkbox cb = cg1.getSelectedCheckbox();
l1.setText(cb.getLabel());
}
}
}
**TextField [#b16dbf14]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
Label l1;
TextField t1;
public SampleApp() {
this.setSize(300, 200);
l1 = new Label("0");
this.add(l1,BorderLayout.CENTER);
t1 = new TextField("0",20);
t1.addActionListener(new MyActionAdapter());
this.add(t1,BorderLayout.SOUTH);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
class MyActionAdapter implements ActionListener {
public void actionPerformed(ActionEvent ev) {
try {
int n = Integer.parseInt(t1.getText());
n /= 1.05;
l1.setText(Integer.toString(n));
} catch(Exception ex) {}
}
}
}
**Choice [#v518f870]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
Label l1;
Choice c1;
public SampleApp() {
this.setSize(300, 200);
l1 = new Label();
this.add(l1,BorderLayout.NORTH);
c1 = new Choice();
c1.add("Japan");
c1.add("America");
c1.add("Europa");
c1.add("Asia");
c1.add("Africa");
c1.add("Other");
c1.addItemListener(new MyItemAdapter());
this.add(c1,BorderLayout.CENTER);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
class MyItemAdapter implements ItemListener {
public void itemStateChanged(ItemEvent ev) {
int n = c1.getSelectedIndex();
String str = c1.getSelectedItem();
l1.setText(Integer.toString(n) + "," + str);
}
}
}
**List [#i342c4e7]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
Label l1;
List lt1;
public SampleApp() {
this.setSize(300, 200);
l1 = new Label();
this.add(l1,BorderLayout.NORTH);
lt1 = new List(5, true);
lt1.add("Japan");
lt1.add("America");
lt1.add("Europa");
lt1.add("Asia");
lt1.add("Africa");
lt1.add("Other");
lt1.addItemListener(new MyItemAdapter());
this.add(lt1, BorderLayout.CENTER);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
class MyItemAdapter implements ItemListener {
public void itemStateChanged(ItemEvent ev) {
String str = "";
for (int i = 0; i < lt1.getItemCount(); i++) {
if (lt1.isIndexSelected(i))
str += lt1.getItem(i) + " ";
}
l1.setText(str);
}
}
}
*¥¤¥Ù¥ó¥ÈÍøÍÑÊýË¡ [#u60532c9]
**MouseEvent [#ua771818]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
Label l1;
public SampleApp() {
this.setSize(300, 200);
l1 = new Label();
this.add(l1,BorderLayout.NORTH);
this.addMouseListener(new MyMouseAdapter());
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
class MyMouseAdapter extends MouseAdapter {
public void mouseClicked(MouseEvent ev) {
int x = ev.getX();
int y = ev.getY();
int n = ev.getClickCount();
String str = "X:" + Integer.toString(x);
str += " Y:" + Integer.toString(y);
str += " click:" + Integer.toString(n);
l1.setText(str);
}
}
}
**KeyEvent [#x921751b]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
TextField t1, t2;
Label l1;
public SampleApp() {
this.setSize(300, 200);
t1 = new TextField();
t1.addKeyListener(new MyKeyAdapter());
this.add(t1,BorderLayout.NORTH);
t2 = new TextField();
t2.addKeyListener(new MyKeyAdapter());
this.add(t2,BorderLayout.SOUTH);
l1 = new Label();
this.add(l1,BorderLayout.CENTER);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
class MyKeyAdapter extends KeyAdapter {
public void keyTyped(KeyEvent ev) {
char c = ev.getKeyChar();
TextField t = (TextField)ev.getSource();
String s = t.getName();
l1.setText("\"" + c + "\"\t" + s);
}
}
}
**FocusEvent [#c043caf5]
import java.awt.*;
import java.awt.event.*;
public class SampleApp extends Frame {
TextField t1, t2;
Label l1;
public SampleApp() {
this.setSize(300, 200);
t1 = new TextField();
t1.addFocusListener(new MyFocusAdapter());
this.add(t1,BorderLayout.NORTH);
t2 = new TextField();
t2.addFocusListener(new MyFocusAdapter());
this.add(t2,BorderLayout.SOUTH);
l1 = new Label();
this.add(l1,BorderLayout.CENTER);
this.setVisible(true);
}
public static void main(String[] args) {
new SampleApp();
}
class MyFocusAdapter extends FocusAdapter {
public void focusGained(FocusEvent ev) {
String s1 = "";
String s2 = "";
TextField t1 = (TextField)ev.getSource();
TextField t2 = (TextField)ev.getOppositeComponent();
if (t1 != null) s1 = t1.getName();
if (t2 != null) s2 = t2.getName();
l1.setText(s1 + " ¢ª " + s2);
}
}
}