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Why are only final variables accessible in anonymous class?
...Only an effectively final variable can be used in an anonymous inner class or lambda expression though.
It's basically due to the way Java manages closures.
When you create an instance of an anonymous inner class, any variables which are used within that class have their values copied in via the...
What is the size of an enum in C?
...f enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to have an enum t...
How to create a custom exception type in Java? [duplicate]
...able to create a custom exception class that extends the Exception class, for example:
class WordContainsException extends Exception
{
// Parameterless Constructor
public WordContainsException() {}
// Constructor that accepts a message
public WordContainsException(String me...
View not attached to window manager crash
I am using ACRA to report app crashes. I was getting a View not attached to window manager error message and thought I had fixed it by wrapping the pDialog.dismiss(); in an if statement:
...
Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets
...een the image and the start of text. The control itself is Center aligned horizontally (set through Interface Builder)
13 A...
'setInterval' vs 'setTimeout' [duplicate]
...ited Aug 16 '12 at 19:00
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Apr 23 '10 at 6:42
...
How to quit a java app from within the program
...
You can use System.exit() for this purpose.
According to oracle's Java 8 documentation:
public static void exit(int status)
Terminates the currently running Java Virtual Machine. The argument serves as a status code; by convention, a nonzero status co...
Real-world examples of recursion [closed]
What are real-world problems where a recursive approach is the natural solution besides depth-first search (DFS)?
55 Ans...
Are there any Java method ordering conventions? [closed]
I've got a large-ish class (40 or so methods) that is part of a package I will be submitting as course-work. Currently, the methods are pretty jumbled up in terms of utility public/private etc. and I want to order them in a sensible way. Is there a standard way of doing this? E.g. normally fields ar...
How to delete SQLite database from Android programmatically
...
Make sure you close all Database connections before deleting. Else you'll have to restart the application.
– Jay Soyer
Aug 2 '13 at 15:58
add a com...