java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 exception
I am getting the error java.lang.IndexOutOfBoundsException: Index: 0, Size: 0.
java
Installing WindowBuilder on Eclipse Neon
Starting today, there is a more official build for WindowBuilder on Neon: http://download.eclipse.org/windowbuilder/WB/integration/4.6/ . You can monitor progress of the re-introduction of WindowBuilder into Neon.1 at https://bugs.eclipse.org/bugs/show_bug.cgi?id=498276 .
How to create JSON Object using String?
JSONArray may be what you want.
Reflection generic get field value
Like answered before, you should use: Another way, which is sometimes prefered, is calling the getter dynamically. example code: Also be aware that when your class inherits from another class, you need to recursively determine the Field. for instance, to fetch all Fields of a given class;
How to resolve “Syntax error on token “else”” in Java?
The problem is the semicolon after the if. The grammar is if ( condition ) expression-or-block { else expression-or-block } Since ; is an empty expression, this works for an if clause and nothing happens in the then clause – in your case syntactically there is no else clause, since your if statement statements ends … Read more
Unreachable statement compile error in Java
The compiler is also able to make that conclusion, and assumes you are making a mistake. And yes, the Java compiler does a pretty good amount of “Data-Flow Analysis”. The most common related message is the one about variables not initialized. The second most frequent is, I believe, precisely this one, about code not reachable.
Java ArrayList for integers
List of Integer.
Adding a timer to my program (javafx)
Timer is used to schedule tasks.. So where do you write those tasks?? Well you have to write those tasks in a TimerTask class… Confused ? Let me break it down, Now you have created a object of Timer class .. Now you have to do some task right? So to do that create an object of TimerTask. Now you … Read more
method does not override method in its superclass
The class Fragment or any of its super classes seem not to have the method public void setTitle(CharSequence title) so you can’t use the @Override annotation. You can remove that annotation and you should be fine.
How to calculate the intersection of two sets?
Use the retainAll() method of Set: If you want to preserve the sets, create a new set to hold the intersection: The javadoc of retainAll() says it’s exactly what you want: Retains only the elements in this set that are contained in the specified collection (optional operation). In other words, removes from this set all of its elements that are not contained in the … Read more