The underlying issue is type erasure. The relevant implications of this means that an instance of the Stack class doesn’t know it’s type arguments at run-time. This is the reason why you can’t just use the most natural solution here, array = new T[maxSize]. You’ve tried to work around this by creating an array using … Read more
From Java 8:
Use getClass().getResource() to read a file in the classpath: Complete code:
Consider these three rules: Transform any 2-node in the 2-3-4 tree into a black node in the red-black tree. Transform any 3-node into a child node and a parent node. The child node has two children of its own: either W and X or X and Y. The parent has one other child: either Y … Read more
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:
I get this Tomcat Error: What’s the problem? I am using an Apache Tomcat 7 and the following 4 catalina jars are used: catalina.jar catalina-ant.jar catalina-ha.jar catalina-tribes.jar Are any other JAR files missing?
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 need to check ? please help.
MouseInfo.getPointerInfo().getLocation() might be helpful. It returns a Point object corresponding to current mouse position.
You don’t ever initialize the JTextArea member field called textArea. You are shadowing the member field in your declaration. Try this: instead of
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: The first JOptionPane parameter (null in this example) is used to align the dialog. null causes it to center itself on the screen, however any java.awt.Component can be … Read more