OK what I am trying to do here is create a game where the object/ball is controlled by clicking on the object with the mouse, pulling back the mouse...
From the javadoc: The serialization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver...
On invoking overridable method from constructors Simply put, this is wrong because it unnecessarily opens up possibilities to MANY bugs. When the @Override is invoked, the state of the...
First, To compile the java source file using javac you need to specify the files to compile explicitly. Example: javac PathToSourceFile/FileName.java you need not provide the path if the...
javax.swing.JOptionPane Here is the code to a method I call whenever I want an information box to pop up, it hogs the screen until it is accepted: import javax.swing.JOptionPane;...
Exception in thread “AWT-EventQueue-0”?
Get Mouse Position
when i run following code it shows error that scanner cannot be resolved to type. i checked that jre is installed and version is 1.7 what else do i...
I get this Tomcat Error: Sep 09, 2012 4:16:54 PM org.apache.catalina.core.AprLifecycleListener init Information: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not...
ArrayList<ArrayList<String>> array = new ArrayList<ArrayList<String>>(); Depending on your requirements, you might use a Generic class like the one below to make access easier: import java.util.ArrayList; class TwoDimentionalArrayList<T> extends ArrayList<ArrayList<T>>...