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java Programming Glossary: overrideWhen to use abstract class or interface? [closed] http://stackoverflow.com/questions/1221512/when-to-use-abstract-class-or-interface of the other methods of the abstract class which you may override or not. EDIT forgot to mention Earwicker reminded me Finally..
Why doesn't Java allow overriding of static methods? http://stackoverflow.com/questions/2223386/why-doesnt-java-allow-overriding-of-static-methods overriding of static methods Why is it not possible to override static methods If possible please use an example. java static.. methods If possible please use an example. java static override static methods share improve this question Overriding depends..
Why do I need to override the equals and hashCode methods in Java? http://stackoverflow.com/questions/2265503/why-do-i-need-to-override-the-equals-and-hashcode-methods-in-java do I need to override the equals and hashCode methods in Java Recently I read through.. correctly but I am not able to figure out why we need to override these two methods. How can I take the decision to implement.. share improve this question It is not always necessary to override hashcode and equals. But if you think you need to override one..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java be considered when overriding equals and hashCode java override equals hashcode share improve this question The theory for.. a.hashCode must be same as b.hashCode . In practice If you override one then you should override the other. Use the same set of.. . In practice If you override one then you should override the other. Use the same set of fields that you use to compute..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests where the last part is obviously the JRE version. You can override this as follows connection.setRequestProperty User Agent Mozilla..
Why does Java's hashCode() in String use 31 as a multiplier? http://stackoverflow.com/questions/299304/why-does-javas-hashcode-in-string-use-31-as-a-multiplier optimization automatically. from Chapter 3 Item 9 Always override hashcode when you override equals page 48 share improve this..
What's wrong with overridable method calls in constructors? http://stackoverflow.com/questions/3404301/whats-wrong-with-overridable-method-calls-in-constructors with many parameters. java oop inheritance constructor override share improve this question On invoking overridable method.. static void main String args abstract class Base Base overrideMe abstract void overrideMe class Child extends Base final.. args abstract class Base Base overrideMe abstract void overrideMe class Child extends Base final int x Child int x this.x x..
Creating a custom button in Java with JButton http://stackoverflow.com/questions/5751311/creating-a-custom-button-in-java-with-jbutton I'm assuming that there is a method that I need to override to get it to fire events but I can't figure out what it is... Graphics method. If you want any changes. Then override paintBorder Graphics to give it a shape of hexagon share improve..
How do you make a deep copy of an object in Java? http://stackoverflow.com/questions/64036/how-do-you-make-a-deep-copy-of-an-object-in-java do this efficiently. Caveats It's possible for classes to override serialization such that new instances are not created e.g. for..
JTable duplicate values in row http://stackoverflow.com/questions/9132987/jtable-duplicate-values-in-row unmodifiable I refer you to @mKorbel's example on how to override isCellEditable and setValueAt . import java.awt.EventQueue import..
Setting background images in JFrame http://stackoverflow.com/questions/1064977/setting-background-images-in-jframe of at the moment is Create a subclass of JComponent . Override the paintComponent Graphics g method to paint the image that.. image public ImagePanel Image image this.image image @Override protected void paintComponent Graphics g g.drawImage image 0..
JButton ActionListener - GUI updates only after JButton is clicked http://stackoverflow.com/questions/11545288/jbutton-actionlistener-gui-updates-only-after-jbutton-is-clicked the GUI updates. Best choice you can use is SwingWorker Override doInBackground and put any long operations inside this method..
Scale the ImageIcon automatically to label size http://stackoverflow.com/questions/14548808/scale-the-imageicon-automatically-to-label-size question Is there a way to set the size of the label Override getPreferredSize of JLabel and return the Dimension s you want..
Is it feasible to create a REST client with Flex? http://stackoverflow.com/questions/153420/is-it-feasible-to-create-a-rest-client-with-flex code has to use POST but sets the HTTP header X Method Override to DELETE you can do the same for PUT I presume . Note that.. sMash Zero will interpret an HTTP POST with an X Method Override DELETE header as a DELETE. deleteTodoHS.headers 'X Method Override'.. DELETE header as a DELETE. deleteTodoHS.headers 'X Method Override' 'DELETE' What's happening here the IBM web server intercepts..
'Must Override a Superclass Method' Errors after importing a project into Eclipse http://stackoverflow.com/questions/1678122/must-override-a-superclass-method-errors-after-importing-a-project-into-eclips Override a Superclass Method' Errors after importing a project into Eclipse.. interface methods which in Java 1.6 can be annotated with @Override however in Java 1.5 @override could only be applied to methods..
Override Java System.currentTimeMillis for testing time sensitive code http://stackoverflow.com/questions/2001671/override-java-system-currenttimemillis-for-testing-time-sensitive-code Java System.currentTimeMillis for testing time sensitive code..
Should a method that implements an interface method be annotated with @Override http://stackoverflow.com/questions/212614/should-a-method-that-implements-an-interface-method-be-annotated-with-override that implements an interface method be annotated with @Override Intro My real question is about the use of the annotation... that implements an interface method be annotated with @Override Eclipse for instance automatically inserts an @Override annotation.. @Override Eclipse for instance automatically inserts an @Override annotation after using the Quick Fix option 'Add unimplemented..
Why do I need to override the equals and hashCode methods in Java? http://stackoverflow.com/questions/2265503/why-do-i-need-to-override-the-equals-and-hashcode-methods-in-java public String getAnotherField return anotherField @Override public int hashCode final int prime 31 int result 1 result prime.. null 0 importantField.hashCode return result @Override public boolean equals final Object obj if this obj return true.. other.importantField return false return true Override only hashCode Imagine you have this MyClass first new MyClass..
How to properly override clone method? http://stackoverflow.com/questions/2326758/how-to-properly-override-clone-method A coworker advised me to handle it the following way @Override public MyObject clone MyObject foo try foo MyObject super.clone.. the topic in his book Effective Java 2nd Edition Item 11 Override clone judiciously . He recommends instead to use a copy constructor..
Implemeting 2 interfaces in a class with same method.Which interface method is overridden? http://stackoverflow.com/questions/2801878/implemeting-2-interfaces-in-a-class-with-same-method-which-interface-method-is-o void main String args Presentable johnny new Presentable @Override public void present System.out.println Heeeereee's Johnny .. snippet compiles and runs. Note that there is only one @Override necessary . This is because Gift.present and Guest.present are.. . This is because Gift.present and Guest.present are @Override equivalent JLS 8.4.2 . Thus johnny only has one implementation..
myLocationOverlay change the marker http://stackoverflow.com/questions/4175432/mylocationoverlay-change-the-marker Step #1 Create a subclass of MyLocationOverlay . Step #2 Override drawMyLocation and draw the marker however you like. Bear in..
Configuring Spring Security 3.x to have multiple entry points http://stackoverflow.com/questions/4783063/configuring-spring-security-3-x-to-have-multiple-entry-points the supports CustomerCustomAuthenticationProvider class @Override public boolean supports Class extends Object authentication.. authentication EmployeeCustomAuthenticationProvider class @Override public boolean supports Class extends Object authentication.. return getAuthenticationManager .authenticate authRequest Override supports method in EmployeeCustomAuthenticationProvider to support..
The JPA hashCode() / equals() dilemma http://stackoverflow.com/questions/5031614/the-jpa-hashcode-equals-dilemma with dynamic proxies no problems with detached entities Override them based on the primary key hashCode equals are broken correct.. for all managed entities problems with detached entities Override them based on the Business Id non primary key fields what about..
rotating coordinate plane for data and text in Java http://stackoverflow.com/questions/9371961/rotating-coordinate-plane-for-data-and-text-in-java true protected void paintComponent Graphics g Override paintComponent method. super.paintComponent g get data about..
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