java inner class
What is the difference between the nested class and inner class? Explain with suitable example.View Answers
March 30, 2010 at 3:58 PM
Hi Friend,
Differences:
1)Nested class is declared inside another class with the static keyword or within a static context of that class wheras Inner class is a nonstatic class declared inside another class.
2)Nested classes are associated with the enclosing class itself, whereas inner classes are associated with an object of the enclosing class.
The most common use of inner classes is as event handlers for GUI-based applications.
Button btn = new Button("Ok");
btn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent ae) {
okClicked();
}
}
);
For more information, visit the following links:
http://www.roseindia.net/help/java/n/java-nested-class.shtml
http://www.roseindia.net/java/master-java/Static.shtml
http://www.roseindia.net/java/master-java/inner.shtml
Thanks
Differences:
1)Nested class is declared inside another class with the static keyword or within a static context of that class wheras Inner class is a nonstatic class declared inside another class.
2)Nested classes are associated with the enclosing class itself, whereas inner classes are associated with an object of the enclosing class.
The most common use of inner classes is as event handlers for GUI-based applications.
Button btn = new Button("Ok");
btn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent ae) {
okClicked();
}
}
);
For more information, visit the following links:
http://www.roseindia.net/help/java/n/java-nested-class.shtml
http://www.roseindia.net/java/master-java/Static.shtml
http://www.roseindia.net/java/master-java/inner.shtml
Thanks
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