Recent Posts
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Java – how to divide an ordered list of integers into sub lists of uniform size?
Does anyone have a good algorithm to get an ordered list of integers, that is: In a given number of ordered sublists o…… -
Java – can I automatically update hibernate POJOs and mappings in NetBeans after adding a new table?
I already have hibernate mapping files and POJOs created by NetBeans, and I have added named queries and additional me…… -
Java – why is this loop not infinite
See English answer > why does increasing a Java int eventually result in a negative number? 4 Why is there a one se…… -
Java – understanding integer Logic behind the implementation of highestonebit() method
The Java integer class has a static method, highestonebit method, which will return a value with a single bit, which i…… -
Java – is there a way to hide annotations in NetBeans or eclipse?
It may be a silly question, but it would be nice to have a way to hide or collapse Java comments when viewing source c…… -
How can I help the Java Tomcat process regain used memory?
We are running a web application using java 64bit 5 gigs - Xmx maximum heap size We have no control over java code We …… -
Bouncing ball in Java
This may be a very basic question, but I can't seem to find any other articles Anyway, I wrote a little bouncing ball …… -
Java – how does a servlet work?
I've written several servlet programs, but I don't think I fully understand how servlets work So this is a husband and…… -
Create a tool for dynamically generating code in Java (in eclipse)
In visual studio, I was able to define a structure in the XSD file and add a special attribute to it, which will cause…… -
Java – when using Proxool, do you need to explicitly close each getconnection()?
I'm writing new database connection code and think I'll try Proxool as the connection pool implementer Usually, progra…… -
Java – how do I return multiple elements from a collection?
In the list, I need to replace each element with the sum of this element and all previous elements The first element d…… -
Java – Scala / lift RSS feed
I'm looking for a simple one or two lines of code to get this PHP RSS feed: I'm using Scala / lift to relate to NetBea…… -
Java – use streams to map to 2D arrays
I'm trying to create a 2D string array using streams: String[] fruit1DArray; String[][] fruit2DArray; Map<String,S…… -
Java – equivalent to JFrame What is the AWT of setdefaultcloseoperation?
We use the setdefaultcloseoperation (JFrame. Exit_on_close) method of JFrame I want to support the native look and fee…… -
Java – how do I combine two streams?
I'm trying to learn / understand the flow in Java and have this Code: List <Tag> tags = (classA.getTags() != nul…… -
Java – Generic ChangeListener
Scenario: I have a container object that contains a mixed object package. All objects inherit from the mycontainerdobj…… -
Java – parses user input about search criteria
I'm looking for a way to parse some user input The input should show which searches must be performed and how they mus…… -
How should message generators identify themselves in Java?
I have a unified message object queue with multiple producers and one consumer Consumers are publishing information an…… -
Catch (exception E) in Java before 7
In Chapter 3 of the Oracle OCP Java se 8 programmer II study guide, it says as follows (page 184): In Java 6, we can't…… -
Java – spring and scope properties
I have a problem learning spring and need some help I'm learning the scope of the bean prototype, which basically mean…… -
Java – JUnit test case – set data
I have a simple crud operation that needs unit testing So I have one test case for creating, another for updating and …… -
Preview HTML in Java
Do you know which libraries / methods can do some basic HTML representation in swing? Can you comment on your experien…… -
When creating Java objects that will be referenced frequently at multiple levels, is it better to use class instances or make classes static?
I'm writing a java game. I need a master database of the unit prototype Database is just a class containing HashMap, w…… -
Java swing How to wait for other jframes
In JFrame, when I click "login", I pop up another JFrame, namely login window How can I make my main JFrame wait for m…… -
How to read XLS charts in Java?
I am using the POI API to read templates n to create XLS files in Java I want to get the chart from the template Is th…… -
Java – is there any way to set timeout in Tomcat?
Can I set timeouts for JSP pages in Tomcat per page or server level? Solution For the server level, you can try this j…… -
Java – set and get methods
Java I'm here student! It's hard for me to understand how to set and get methods I am working independently in my text…… -
Java – * * copy * * and * * addall * * what’s the difference?
1) Are there any differences between these two keywords for collection elements? (copy these elements to another colle…… -
Java – how to use “jconsole” with WebSphere 6.1?
I have deployed some managed beans on WebSphere 6.1 and I have tried to call them through a stand-alone client, but wh…… -
Ugly Java data structure
I created the following structure that maps unique double values to one or more pairs of integers: @SuppressWarnings("…… -
Java – the best design to decompose business logic and data layers when they appear to overlap?
I'm building an MVC web application (using the spring MVC framework), and I'm a little confused about the best way to …… -
Java – how to copy “show tables” in Hibernate?
I'm trying to iterate over all my tables, so I can truncate each table (at the beginning of each jbehave test) I thoug……