I am a little stumped on how to get started on this project I have in front of me. I simply need to create a calendar on a javafx stage for the current date with two simple next / prior buttons to go between months. So far I have just created the minimum, a blank … Read more
I googled a bit but could not find any good Java to C source code converter. My question is: Is this possible ? Are there any reliable Java to C src converter you can think of which I can have a look at?
I had a similar problem this morning (trying to build for Android using Unity3D). I ended up uninstalling JDK9 and installing Java SE Development Kit 8u144. Hope this helps. brew cask uninstall java # uninstall java9 brew tap homebrew/cask-versions brew cask install java8 # install java8 touch ~/.android/repositories.cfg # without this file, error will occur … Read more
Assuming you are talking about the ActionEvent class, then there is a big difference between the two methods. getActionCommand() gives you a String representing the action command. The value is component specific; for a JButton you have the option to set the value with setActionCommand(String command) but for a JTextField if you don’t set this, … Read more
System.currentTimeMillis() returns a primitive long not a object Long. So you cannot invoke the longValue() method or any method on it as primitive cannot be the object of method invocations. Besides, it is useless to invoke longValue() as System.currentTimeMillis() returns already a long value. This is better : But in fact this condition : if(System.currentTimeMillis()==finish) … Read more
It’s worth reading here about Oracle Tutorial – Enabling Keyboard Operation where it is explained in details along with sample. Read more about on Oracle Tutorial – How to Use Key Bindings Some example directly from the above tutorial: Read more here Oracle Tutorial – How to Use Buttons, Check Boxes, and Radio Buttons Sample … Read more
As I commented on the previous answer the reasons for setting a limit on those memory pools is different. If your users previously increased the MaxPermSize above the default that probably was either to avoid Full GCs / concurrent mode failures with CMS or because their applications genuinely needed a lot of perm gen space. … Read more
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:
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
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!