Recent Posts
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Java – how to avoid creating redundant entities?
In my current project, I need to execute some native queries. These queries select some fields from the tables connect…… -
Read comma separated attributes in Java using configuration2
I have this attribute: move.patternfile.include = *1a.txt,*2a.txt I'm trying to put it in the list using Apache Common…… -
Exchange server – cannot get sender email address using EWS Java API
I am using EWS Java API 1.1 5. I am trying to get the email sender as follows: ItemView view = new ItemView(10); FindI…… -
Java – a variant of “looking for a common ancestor”
I recently had a telephone interview It encodes the problem as part of the whole process A / B | \ C …… -
Java – how do I initialize graphics G?
I want to display gameover images in Pacman games at the end of my life But I call paintgameoverscreen (graphics g), a…… -
Predicate based method of Java 8 stream indexof
See English answers > stream way to get index of first element matching Boolean int index = list.stream().indexOf(e…… -
Java – create meta-inf / services folder in eclipse
I tried to create an extensible application in Java and chose to use SPI According to this tutorial, I'm paying attent…… -
Java adds text to a specific line in a file
I wonder if I can add a line to a file with Java For example, myfile: 1: line 1 2: line 2 3: line 3 4: line 4 I want t…… -
Java – I can’t have two keywords on the same line: Private Final… ()?
I know that when you create a method final in Java, it cannot be overwritten When a method is private, it can only be …… -
Creating general Lambdas with Java
In Java, you can add a type parameter to a static method to create a method that handles generics Can you do the same …… -
ORM – architecture of business object / database access layer
For various reasons, we are writing a new business object / data repository One of the requirements of this layer is t…… -
Enhanced Java util. Cglib will throw illegalargumentexception when using the date class
I tried to use cglib to enhance Java util. Date. It's useless. I have no experience with cglib, so I want to know what…… -
Java – Guice abstractmodule installation method
What does the method install () in the abstractmodule class do? Can anyone explain to me? From the documents I read fr…… -
Java – Apache POI adds a series name to linechart
I am using Apache POI to create a linechart in an excel document As far as I can imagine, in the following figure: I w…… -
Add Java FX 2.0 to an existing NetBeans project
I have an existing Java project using swing in NetBeans, and I want to start using java FX 2.0 in some components of t…… -
java – Spinner subitem
I want to populate the spinner with projects that contain main text and sub text, as Android studio shows when buildin…… -
javax. Mail What should I do with the debug = true option?
In my javax mail. In the configuration property of session, I set mail Debug = true, but for some reason, this does no…… -
Java – FrameLayout foreground with selector
I have a FrameLayout. I want to apply the foreground drawable through the selector. I try to implement "drawselectoron…… -
Java regular expression content between single quotes
I try to write a regular expression in Java to find the contents between single quotes Can someone help me? I've tried…… -
Java – how to use smack in openfire
Hello But I have little guidance on how to use it on openfire servers Does openfire provide a basic user interface, su…… -
Java – Alphanumeric regular expression
I want a regular expression in Java, which must contain at least one letter and one number in any position The passwor…… -
Can you make an unclosed and indivisible Java application?
Is there any way to ensure that users cannot close or leave my swing application? I tried to make it full screen, but …… -
Java – how do I check if a string is a valid XML element name?
You know the functions in Java, which will verify that a string is a good XML element name Form W3Schools: I found tha…… -
Java – what is a better way to keep the adapter as an active internal class or external class?
I want to check for a better and faster way to use the listview program with the adapter Is it out or activity class? …… -
java – React Native,Android Log.
Is there any way to see logs from Android's native (Java) modules on the machine? I am using the Javas log module http…… -
jpa – persistence. XML is used for multiple persistence units
I try to hold the same entity in MySQL and Postgres databases (this is mainly to identify any inconsistencies and expl…… -
Java – what is the difference between asinstanceof [x] and tox for value types?
My ability to use IntelliJ to convert java code into Scala code, which usually works well It seems that IntelliJ repla…… -
Java – spring form without commandname [copy]
See English answer > what causes "java.lang.illegalstateexception: neither bindingresult nor plain target object fo…… -
Java – can I prefix each row of the stack trace in log4j?
When you write logger.error("message",exception); Log4j generates a message and a complete stack trace: Aug 9 06:26:1…… -
Multithreading – distributed computing and threading
How similar are distributed computing and threads? I found that two papers came to the opposite conclusion: "Multithre…… -
Looking for Java libraries that implement binary trees [closed]
Is there a Java library that can use binary trees? I don't expect to test and implement myself Solution The Java stand…… -
Java – how to convert a character stream to a string stream pair?
I want to take a string and convert it into a word stream For example: I have: {"a", "apple", "B", "banana", "C", "car……