包含标签：Java 的文章
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Java – spring data: JPA schema jparepositoryconfigdefinitionparser initialization failed
I'm trying to set up a project about spring data, but I encountered a strange error like this: Handle problems with pr…… -
Java – why call JFrame Will pack () add extra space?
At first, the code I used worked well, but it was a little confusing After moving some parts of the method to the cons…… -
Java – Python module for handling software versions
I am looking for a python module / library that will run on the 'software version'... Which means, for example: >Co…… -
Java – use select where where Mysql to be case sensitive in MySQL
Hi, I'm using java front end and MySQL backend, Actually in TBL_ Test contains name value --------------- abc 22 …… -
The best sorting algorithm of Java – burrows Wheeler transformation (BWT)
Burrows Wheeler transformation got me into some problems This is a university project, but it is only a small part of …… -
JavaFX: no tableview content displayed
I have created a JavaFX application, I built the native package using ant, and I confused jar with proguard-4.8 In cas…… -
Java – unexpected result when dividing int by int and storing the result as double
See English answers > java program using int and double 7 This code just divides one int by another, stores the res…… -
Java – javax. net. ssl. Sslpeerunverifiedexception: peer is not authenticated
I am trying to connect to my own SSL server using my own SSL client, but I received the following error: javax. net. s…… -
Java – if we have active MQ, why do we need mule?
I worked as a software engineer on a project using ActiveMQ and mule for Java messaging service But I have a question:…… -
How to add rownames without dimensions in R
> Cases <- c(4,46,98,115,88,34) > Cases <- c(4,46,98,115,88,34) > Cases [1] 4 46 98 115 88 34 &…… -
Java – how do I test non thread safe classes?
I'm new to threads I'm reading Java concurrency in practice I found the following examples in the book @NotThreadSafe …… -
Java – run JUnit tests for a certain amount of time
I want to test for a period of time, such as 5 seconds, and then pass the test if no error is asserted Can this be ann…… -
Java – advanced tag generator for complex mathematical expressions
I want to mark a string of integers, floating point numbers, operators, functions, variables, and parentheses The foll…… -
Java – three parameter operators: local variables may not have been initialized
I have the following code import java.util.Random; public class ThreeArgumentOperator { private static final Ran…… -
Java – how to implement switch / if else if statements in spring webflow?
The following switch statement has been implemented If there are any errors, would you please verify and correct them?…… -
Java – Google Maps Android API V2 classnotfound runtime error
Editor: for those struggling, please check this link Pay close attention to it, but it works! The key part is to use k…… -
Java – ant build in eclipse failed
After Google search, I used ant to build the jar file of my project and found out how I did it. I mentioned this ink H…… -
Java – Test merge in merge sort
Is there any edge condition or general condition that I need to test this function The only thing I can think of is th…… -
How to confirm a message in message driven beans
In the JMS document, I read that message driven beans do not support client_ Acknowledge mode, only supports dups_ OK_…… -
Java – how byte data types are used to hold memory in large arrays
I see this in the Java documentation My question is how do byte data types store memory in large arrays I'm confused a…… -
Java – ant: what is the easiest way to add a version number to a build jar?
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?> <project name="myPlugin" …… -
Setfocusable method or focusing components Java
I encountered this Code: public class Board extends JPanel implements ActionListener{ public Board(){ setFo…… -
Java – wrong data type – Generic
In the following java code: import java.util.*; public class TestGenericMethod { public static <E> void ArrayT…… -
Java – used in spring Properties without using XML configuration
I found one in the article on using java based configuration and x000 in spring Properties file The illustrations are …… -
Java – run a specific class main function from a jar file Import doesn’t seem to work
I have a jar file that does not specify its main class in the manifest How to run a class from Jar which is not the Ma…… -
What are the different ways to transform XML using Java?
I'm studying how to convert XML from one format to another in a java project What are the alternatives and what are th…… -
Java – unmarshalling with multiple namespaces
So, suppose I have several namespaces of XML <Envelope xmlns:pdi="http://www.mypage.com/schemas/pdi" xmlns:ib="http…… -
Java – please explain why 24,16,8 is used to convert ints to bytes?
The following code is to convert int to bytes array private static byte[] intToBytes(int i) // split integer i into …… -
In Java, all instances of person are linked to an object
I'm currently writing a program, but I found a problem The problem is that in the following loop, all instances of the…… -
Java – logback creates a log file in a folder named the current date
In my current project, I want the date to create a log file, that is, the log file should reside in it The current app…… -
Java array efficiency
I am not 100% sure that the mechanism is in action, so I decided to publish it here for further clarification I'm work…… -
Java – Google common cache – the default value of maximumsize (and other “optional” settings) – you want a cache that uses all “available” memory
I just found guava through the search cache API (it's perfect for my needs) In my opinion, a good default value for ma……