Vererbung (Java): Unterschied zwischen den Versionen
(Erst mal nur das Grundgerüst meiner alten Beschreibung vom Januar 2010. Nur die Programmcodes sind momentan enthalten.) |
K |
||
| Zeile 2: | Zeile 2: | ||
{| | {| | ||
| − | |style="width: | + | |style="width:30em"|<code=java> |
| Zeile 26: | Zeile 26: | ||
</code=java> | </code=java> | ||
|style="width:1em"| | |style="width:1em"| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>import javax.swing.*; |
import java.awt.*; | import java.awt.*; | ||
| Zeile 57: | Zeile 57: | ||
{| | {| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>import javax.swing.*; |
public class myFrame extends JFrame{ | public class myFrame extends JFrame{ | ||
| Zeile 81: | Zeile 81: | ||
</code=java> | </code=java> | ||
|style="width:1em"| | |style="width:1em"| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>import javax.swing.*; |
import java.awt.*; | import java.awt.*; | ||
| Zeile 118: | Zeile 118: | ||
{| | {| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>import javax.swing.*; |
import java.awt.*; | import java.awt.*; | ||
| Zeile 141: | Zeile 141: | ||
}</code=java> | }</code=java> | ||
|style="width:1em"| | |style="width:1em"| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>public class myProgram { |
public static void main(String[] args) { | public static void main(String[] args) { | ||
| Zeile 179: | Zeile 179: | ||
{| | {| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>import javax.swing.*; |
import java.awt.*; | import java.awt.*; | ||
| Zeile 206: | Zeile 206: | ||
}</code=java> | }</code=java> | ||
|style="width:1em"| | |style="width:1em"| | ||
| − | |style="width: | + | |style="width:30em"|<code=java> |
| Zeile 245: | Zeile 245: | ||
{| | {| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>import javax.swing.*; |
import java.awt.*; | import java.awt.*; | ||
| Zeile 266: | Zeile 266: | ||
</code=java> | </code=java> | ||
|style="width:1em"| | |style="width:1em"| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>import javax.swing.*; |
public class myProgram { | public class myProgram { | ||
| Zeile 296: | Zeile 296: | ||
{| | {| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>import javax.swing.*; |
import java.awt.*; | import java.awt.*; | ||
| Zeile 322: | Zeile 322: | ||
</code=java> | </code=java> | ||
|style="width:1em"| | |style="width:1em"| | ||
| − | |style="width: | + | |style="width:30em"|<code=java>import javax.swing.*; |
import java.awt.*; | import java.awt.*; | ||
Version vom 13. August 2013, 17:35 Uhr
Programm 1
| <code=java>
</code=java> |
<code=java>import javax.swing.*;
import java.awt.*; public class myProgram { public static void main(String[] args) {
JFrame f = new JFrame("My Window");
JPanel p = new JPanel();
JButton b1 = new JButton("Button 1");
JButton b2 = new JButton("Button 2");
JButton b3 = new JButton("Button 3");
b1.setBackground(new Color(255,0,0));
b3.setBackground(new Color(255,0,0));
p.add(b1);
p.add(b2);
p.add(b3);
f.add(p);
f.pack();
f.setVisible(true);
}
}</code=java> |
Programm 2
| <code=java>import javax.swing.*;
public class myFrame extends JFrame{ myFrame(String name) {
super(name);
}
} </code=java> |
<code=java>import javax.swing.*;
import java.awt.*; public class myProgram { public static void main(String[] args) {
myFrame f = new myFrame("My Window");
JPanel p = new JPanel();
JButton b1 = new JButton("Button 1");
JButton b2 = new JButton("Button 2");
JButton b3 = new JButton("Button 3");
b1.setBackground(new Color(255,0,0));
b3.setBackground(new Color(255,0,0));
p.add(b1);
p.add(b2);
p.add(b3);
f.add(p);
f.pack();
f.setVisible(true);
}
}</code=java> |
Programm 3
| <code=java>import javax.swing.*;
import java.awt.*; public class myFrame extends JFrame{ myFrame() {
super("My Window");
JPanel p = new JPanel();
JButton b1 = new JButton("Button 1");
JButton b2 = new JButton("Button 2");
JButton b3 = new JButton("Button 3");
b1.setBackground(new Color(255,0,0));
b3.setBackground(new Color(255,0,0));
p.add(b1);
p.add(b2);
p.add(b3);
this.add(p);
this.pack();
this.setVisible(true);
}
}</code=java> |
<code=java>public class myProgram {
public static void main(String[] args) {
myFrame f = new myFrame();
}
} </code=java> |
Programm 4
| <code=java>import javax.swing.*;
import java.awt.*; public class myFrame extends JFrame{ myFrame() {
super("My Window");
JPanel p = new JPanel();
JButton b1 = new JButton("Button 1");
JButton b2 = new JButton("Button 2");
JButton b3 = new JButton("Button 3");
b1.setBackground(new Color(255,0,0));
b3.setBackground(new Color(255,0,0));
p.add(b1);
p.add(b2);
p.add(b3);
this.add(p);
this.pack();
this.setVisible(true);
}
public static void main(String[] args) {
myFrame f = new myFrame();
}
}</code=java> |
<code=java>
</code=java> |
Programm 5
| <code=java>import javax.swing.*;
import java.awt.*; public class RedButton extends JButton { RedButton(String name) {
super(name);
this.setBackground(new Color(255,0,0));
}
} </code=java> |
<code=java>import javax.swing.*;
public class myProgram { public static void main(String[] args) {
myFrame f = new myFrame("My Window");
JPanel p = new JPanel();
RedButton b1 = new RedButton("Button 1");
JButton b2 = new JButton("Button 2");
RedButton b3 = new RedButton("Button 3");
p.add(b1);
p.add(b2);
p.add(b3);
f.add(p);
f.pack();
f.setVisible(true);
}
}</code=java> |
Programm 6
| <code=java>import javax.swing.*;
import java.awt.*; public class RedButton extends JButton { RedButton(String name) {
super(name);
this.setBackground(new Color(255,0,0));
}
} </code=java> |
<code=java>import javax.swing.*;
import java.awt.*; public class myFrame extends JFrame{ myFrame() {
super("My Window");
JPanel p = new JPanel();
RedButton b1 = new RedButton("Button 1");
JButton b2 = new JButton("Button 2");
RedButton b3 = new RedButton("Button 3");
p.add(b1);
p.add(b2);
p.add(b3);
this.add(p);
this.pack();
this.setVisible(true);
}
public static void main(String[] args) {
myFrame f = new myFrame();
}
}</code=java> |
