Java
-
Creating generic arrays in Java through unchecked type conversion
If I have a general class foo < bar >, I do not allow the following to create an array: Bar[] bars = new Bar[]; …… -
Java – “convert to trial resources” in NetBeans – cool beans?
Netbeans 7.1. 2 has the following codes: bufferedoutputstream bos = new bufferedoutputstream(new FileOutputStream(file…… -
Java – initializing arrays with values – should classes be displayed explicitly?
I often see arrays initialized like this: String[] array = new String[] { "foo","bar","baz" }; However, reading langua…… -
Java – a transaction (process ID) deadlocks when locked, communicates with another process to buffer resources and is selected as a deadlock victim
I have a java program for updating tables in MS SQL Web users can also access this table through the web site created …… -
Java – handling multiple benchmarks in swagger
I'm using swagger UI to provide good documentation of rest APIs for our clients Documents available: http://www.myhost…… -
How does Java 8 maptoint (maptoint (E – > e)) improve performance?
I'm reading the book "Java 8 Lambdas". At some time, the author said, "it's a good idea to use the original profession…… -
Tail call optimization of Fibonacci function in Java
I'm studying tail call recursion and found some of the documents mentioned Sun Java does not perform tail call optimiz…… -
Java – can I use libjpeg to read JPEG with alpha channel?
There seems to be some debate about whether JPEG of alpha channel is effective I always think the correct answer is th…… -
Java – when exactly are objects available for garbage collection?
I'm competing with my application for memory problems and trying to get my head close to garbage collection If I have …… -
Java – get selected elements from listview
I use the results of the database search to modify the listview so that I can use this option to create another databa…… -
Java automatically adjusts the font size to Windows 7
In Windows 7, if you change the font size through the control panel – > appearance and personalization – > displ…… -
Java – who has a useful mnemonic to implement a comparator?
Whenever I need to perform a comparison, I get stuck when I go back to - 1, when I need to go back to - 1, and I have …… -
Java – OCR library to identify the numbers on the instrument equipment
I need OCR Library (preferably in Java), which will be able to determine the number displayed on the instrument device…… -
Java – why don’t I use @ batchsize in every lazy loaded relationship?
Hibernate's @ batchsize annotation allows batch fetching of deferred loaded entities For example If I had something li…… -
Java – unable to download from NetBeans 8.0 1 start GlassFish 4.1 in the service area
On Windows 7, I from this site https://netbeans.org/downloads/ Downloaded the "NetBeans - 8.0.1 - JavaEE - Windows. Ex…… -
How to use Java classes dynamically in clojure?
How to use Java classes stored in variables in clojure? How do I fix the following code? (def a java.lang.String) (new…… -
JavaFX – set two root nodes for TreeView
Is there a way to set two root nodes for a treeview? I found many examples if simple treeview, but no useful examples …… -
Java – list of JMX objects and attributes?
I try to implement a Nagios plug-in, which requires me to clearly know the objects and properties I want to monitor Th…… -
Java – send auto assembly tasks to spring taskexecutor
How can you have a class that implements runnable and submits it to the spring taskexecutor for automatic connection? …… -
Java – gets the generic type of the “real” class
How do I get a "real" class of a generic type? For example: public class MyClass<T> { public void method(){ …… -
The correct way to “close” the spring context in J2SE
I am currently experiencing JPA transaction manager problems in J2SE applications The latest request is not saved corr…… -
Can I extend enumeration in Java 8?
Just played and proposed a sweet way to add features to @ L_ 502_ Enumeration of 0 @ and this Some further fixes made …… -
Java – spring, @ transactional and Hibernate lazy loading
I'm using spring hibernation All my hibernatedao directly use sessionfactory I have application layer - > service l…… -
Java – Rock Paper scissors for foldable solutions
Just experienced a variant of the game: Rock Paper scissor Lizard Spock I have written java code for a traditional r-p…… -
Java – how to use firebase to query equal to (value, key)?
As a novice in firebase, I try to imitate a "where clause" request to retrieve a user's wallet in this simple use case…… -
Java – upgrade spring security oauth2
I'm trying to change the spring security oauth2 configuration from 2.0 Upgrade from 0.rc1 to 2.0 3.RELEASE. I copied t…… -
Java – how to convert a 24 bit PNG to a 3-bit PNG using Floyd Steinberg dithering?
How to use Floyd – Steinberg dithering to convert 24 bit PNG to 3-bit PNG? You should use Java awt. image. Bufferedima…… -
Java – iText: vertical alignment of pdftable cells
I tried to vertically align my avatar cell text in the middle of the cell height This is my code: PdfPCell c1 = new Pd…… -
Analysis of the conversion between list and array in Java
This paper analyzes the method of converting list and array in Java. Share with you for your reference. The details ar…… -
Java tool class for connecting to MySQL database
A encapsulated tool class that links to the MySQL database can easily obtain the connection object and close the state…… -
Introduction to command mode of Java design pattern
Command mode is the one that puzzles me most. After reading a lot of code, I feel that I vaguely master its general pr…… -
Introduction to decorator pattern of Java design pattern
Decorator is often translated into "decoration". I think it is more vivid to translate it into "painter". Painter is u……