Why is System.out.print() not working?
You can’t use a method while declaring the attributes/methods for a class. The code should be something like this EDIT: based in your comment, this is what you’re trying to achieve:
java
Keylistener not working for JPanel
If you search this problem, you’ll see that it is asked and has been solved many times. KeyListeners need to be on the focused component to work. One solution is to give your component the focus after first making it focusable. Better by a long shot however is to use Key Bindings. Google the tutorial … Read more
Convert ArrayList to java.util.List [closed]
I don’t understand the problem you have since an ArrayList implements a List with List being an interface. You can change this line to:
incompatible types: void cannot be converted to int [duplicate]
Your program does not have to return an int in public static int main. Instead you can have it as void (meaning don’t return anything). You should simply just print your statements and don’t return them. Also the int[] should be String[] and Scanner should check for nextInt() as pointed out in comments!
Spring-Security-Oauth2: Full authentication is required to access this resource
I am trying to use spring-security-oauth2.0 with Java based configuration. My configuration is done, but when i deploy application on tomcat and hit the /oauth/token url for access token, Oauth generate the follwoing error: My configuration is on Git hub, please click on link The code is large, so refer to git. I am using … Read more
How to Convert Int to Unsigned Byte and Back
A byte is always signed in Java. You may get its unsigned value by binary-anding it with 0xFF, though:
Eclipse: JVM terminated. Exit code=2
I know exactly how to solve your problem. Go to search and put in environment, a prompt will come up and ask you to “Edit environmental variables for your account” click that and a window will pop up. There will be the current paths which are running on the top (you should have your JDK … Read more
build-impl.xml:1031: The module has not been deployed
may its so late but the response useful for others so : Sometimes, when you don’t specify a server or servlet container at the creation of the project, NetBeans fails to create a context.xml file. In your project under Web Pages, create a folder called META-INF. Do this by right mouse button clicking on Web … Read more
File to byte[] in Java
It depends on what best means for you. Productivity wise, don’t reinvent the wheel and use Apache Commons. Which is here FileUtils.readFileToByteArray(File input).
How to print a method in java
First your method won’t print the good fibonnaci numbers, and to print it you need to instanciate a FibonacciSequence Object since the method is not static : Prints : 1 3 5 7 9 11 13 15 17 If you don’t want to use recursion, you can do like this (and see how to print … Read more