I am looking for a example of AtomicStampedReference and/or AtomicMarkableReference, that could help me understand these classes and their functions. I am not able to get any quality examples over the web. I can think of using these in garbage collection, but a quality example will help me understand these better. Answer Practical examples (Complicated) For AtomicMarkableReference: https://github.com/arunmoezhi/ConcurrentKaryST For AtomicStampedReference
Reading data from mysql database using java
Firstly, I’m reading the product name and number of products from user using jTextFields. For that product I read the product id and price from database using sql query. But in the below code I display the product price in a jtextField but while running tha file I get query executed successfully but I’m not getting anything in the jtextField.
Why do static and instance init blocks in Enums behave differently from those in Classes
In studying for the Java certification test I learned that static initialization blocks run once when the class is loaded, in order of appearance within the source code, that instance initialization blocks run each time an instance is created, and that code in constructors runs each time an instance is created after that. To test that I created a class
what is the use of annotations @Id and @GeneratedValue(strategy = GenerationType.IDENTITY)? Why the generationtype is identity?
Why we are using this annotations? i need to know if this autoincrement my table id values. (GenerationType.IDENTITY) is there any other types whats actually happening when we use this annotation *Is it necessary to extend Domain abstract class?What is the use? Answer First of all, using annotations as our configure method is just a convenient method instead of coping
GetWindowTextA, GetWindowText returns empty value on Edit Control
I’m trying to list and get the content of Edit Controls from an external Window in C++ / Java, unfortunately with no success. When I call GetWindowText or GetWindowTextA it returns an empty value on Edit Controls, I know there are some differences between GetWindowText / GetWindowTextW and GetWindowTextA but I don’t know What I’m doing wrong since it works
How can I shuffle the letters of a word?
What is the easiest way to shuffle the letters of a word which is in an array? I have some words in an array and I choose randomly a word but I also want to shuffle the letters of it. I am not supposed to use that List thing. I’ve come up with something like this but with this code
Delete highlighting in JComboBox
When a JComboBox is just made and added and all the background of the selected item is just normal and white: (ignore the enormous spacing after the text) When I then open the list and hover my cursor over an item, that item get’s highlighted, all normal, nothing wrong with it. But the problem now is that the highlighting stays
Coding a propositional logic parser by hand
I need to do a parser for propositional logic. I pretend to do it by hand implemented like a recursive descent parser in java. My question is about the lexer, is it really needed for this job? I mean …
How to make clear that a parameter of a method serves as a return value?
Is there a way to show that a parameter of a method serves as return value? If I want to return one value it is no problem: public Set addIntegerToSet(final int i) { Set<Integer&…
Mockito when method not working
I am using mockito as mocking framework. I have a scenerio here, my when(abc.method()).thenReturn(value) does not return value, instead it returns null. } Java class When ever i run the test file the when is not working and i am using mockito1.8.5 jar in the buildpath. The service call is being mocked but returns the null value. This object dqCntlWfDefnTyp