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Java by API/java.beans/Beans - История изменений
2026-04-22T21:16:47Z
История изменений этой страницы в вики
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http://www.jexp.ru/index.php?title=Java_by_API/java.beans/Beans&diff=1410&oldid=prev
в 17:43, 31 мая 2010
2010-05-31T17:43:48Z
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http://www.jexp.ru/index.php?title=Java_by_API/java.beans/Beans&diff=1411&oldid=prev
Admin: 1 версия
2010-05-31T14:33:16Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== Beans: getInstanceOf(Object bean, Class targetType) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
import java.beans.Beans;<br />
import javax.swing.JComponent;<br />
import javax.swing.JFrame;<br />
public class MainClass extends JFrame {<br />
public MainClass(String name) {<br />
super("Revived Beans!");<br />
try {<br />
Object bean = Beans.instantiate(getClass().getClassLoader(), name);<br />
if (Beans.isInstanceOf(bean, JComponent.class)) {<br />
JComponent comp = (JComponent) Beans.getInstanceOf(bean, JComponent.class);<br />
getContentPane().add("Center", comp);<br />
} else {<br />
System.out.println("Bean is not a Component...");<br />
}<br />
} catch (java.io.IOException e1) {<br />
System.out.println("Error loading the serialized object");<br />
} catch (ClassNotFoundException e2) {<br />
System.out.println("Can"t find the class that goes with the object");<br />
}<br />
}<br />
public static void main(String[] args) {<br />
JFrame frame = new MainClass("javax.swing.JButton");<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
frame.pack();<br />
frame.setVisible(true);<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== Beans: instantiate(ClassLoader cls, String beanName) ==<br />
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<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.beans.Beans;<br />
import javax.swing.JComponent;<br />
import javax.swing.JFrame;<br />
public class MainClass extends JFrame {<br />
public MainClass(String name) {<br />
super("Revived Beans!");<br />
try {<br />
Object bean = Beans.instantiate(getClass().getClassLoader(), name);<br />
if (Beans.isInstanceOf(bean, JComponent.class)) {<br />
JComponent comp = (JComponent) Beans.getInstanceOf(bean, JComponent.class);<br />
getContentPane().add("Center", comp);<br />
} else {<br />
System.out.println("Bean is not a Component...");<br />
}<br />
} catch (java.io.IOException e1) {<br />
System.out.println("Error loading the serialized object");<br />
} catch (ClassNotFoundException e2) {<br />
System.out.println("Can"t find the class that goes with the object");<br />
}<br />
}<br />
public static void main(String[] args) {<br />
JFrame frame = new MainClass("javax.swing.JButton");<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
frame.pack();<br />
frame.setVisible(true);<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== Beans: isInstanceOf(Object bean, Class < ? > targetType) ==<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.beans.Beans;<br />
import javax.swing.JComponent;<br />
import javax.swing.JFrame;<br />
public class MainClass extends JFrame {<br />
public MainClass(String name) {<br />
super("Revived Beans!");<br />
try {<br />
Object bean = Beans.instantiate(getClass().getClassLoader(), name);<br />
if (Beans.isInstanceOf(bean, JComponent.class)) {<br />
JComponent comp = (JComponent) Beans.getInstanceOf(bean, JComponent.class);<br />
getContentPane().add("Center", comp);<br />
} else {<br />
System.out.println("Bean is not a Component...");<br />
}<br />
} catch (java.io.IOException e1) {<br />
System.out.println("Error loading the serialized object");<br />
} catch (ClassNotFoundException e2) {<br />
System.out.println("Can"t find the class that goes with the object");<br />
}<br />
}<br />
public static void main(String[] args) {<br />
JFrame frame = new MainClass("javax.swing.JButton");<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
frame.pack();<br />
frame.setVisible(true);<br />
}<br />
}<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --></div>
Admin