包含标签：Java 的文章
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Java – JDBC logging to file
I need to log all queries to the Oracle database in my project to a log file What is a good way to achieve this? Some …… -
Java – use workflow engine, state machine engine or scroll myself?
I'm confused I am developing an internal tool based on Grails for my company One component of this tool is a simple pr…… -
Java – what should you do?
Java checked exceptions sometimes force you to catch checked exceptions that you think will never be thrown Best pract…… -
Java – countdown timer without GUI
Basically, I'm making a text-based "game" (not a game, but more a way to improve basic Java skills and logic) But as p…… -
Java – real world example of applying command patterns
Command pattern can be used to implement transaction behavior (and undo) Solution In one of our projects, we have the …… -
Java – bad practice – the class defines CompareTo (…) and uses object equals()
Want to know what needs to be done with the listed methods public final int compareTo(final FieldDTO o) { retu…… -
Java – how do I enable Maven profiles when the build version is not – snapshot?
I'm trying to use the gitflow helper Maven plugin extension for my Maven build Therefore, I want to configure my proje…… -
Java – swing: hover over the radio button label on the translucent JPanel
In my question, I have an opaque JPanel and another translucent (translucent) JPanel, which is located on the first JP…… -
Java – severe: unable to schedule event: eventbus com google. common. eventbus. SubscriberExceptionContext
For eventbus, I merged the code in my java spring application and took full control of it, but the result did not chan…… -
Java – JUnit test method with random nature
I am working for myself on a small project and I am using it as an opportunity to understand unit testing and maintain…… -
JSF – integer gets the default value 0, which needs to be null in Java
See English answer > H: inputtext which is bound to integer property is submitting value 0 instead of null1 All I n…… -
Unit testing – unit testing is worth the effort, in a large and old (5yr) code base?
I just joined a team that has been working in the main mode for the past five years (Java, Maven based projects) There…… -
When adding another object, Java util. ConcurrentModificationException
I am experiencing this exception What's wrong with my code? public class GlennTestMain { static ArrayList<Pers…… -
Java – why do you return false and true?
public class Test { public class Test { public static final Double DEFAULT_DOUBLE = 12.0; public static final …… -
Java – can spring MVC with JPA be used to update a subset of attributes on an entity?
I am using spring Roo, spring MVC and JPA to save MySQL database I'm new to spring MVC and Java, but I work with cake,…… -
How to use Java math Commons curvefitter?
How do I fit a function to a set of data using math Commons curvefitter? I was told to use curvefitter with Levenberg …… -
Java – convert dtmmanagerdefault to ClassCastException of dtmmanager during maven JAXB CodeGen
I encountered a strange problem when trying to run a maven build of JAXB CodeGen using the jaxb2 plug-in (see stacktra…… -
Java – Request: https://www.w3.com Org / 2000 / SVG discovery: http://www.w3.com org/2000/svg
See English answer > XML namespace URI with HTTPS? 1 Now, when we render SVG files, we encounter this problem >T…… -
java – Map. Add / addall operation not supported by keyset()
About the map < K, V > interface: Why does keyset () return a set that supports the remove operation but does no…… -
Java – htmlunit – convert htmlpage to HTML string?
I'm using htmlunit to generate HTML for various pages, but now, the best way I can put the page into the original HTML…… -
Javafx-8 – how do I set up the controller in the scene builder?
I want to use scene builder for JavaFX applications I have a software package called testpac, which contains my folder…… -
Reduce the PDF file size of the drawing by filtering hidden objects
When generating a scatter plot of many points in R (for example, using ggplot ()), many points may lag behind other po…… -
Java – sort an array of file names containing numeric strings
For my project, I need to download a zip file from the FTP server. I can publish a new zip about 13 times a year I nee…… -
Java – cobertura override and assert keywords
The line coverage of the unit test I measured on cobertura is being affected because I have asserted that it is not co…… -
Java – the difference between restful WebService and httpservlet
See the English answer > servlet vs restful 1 Solution Rest is really an architectural style when designing APIs on…… -
What is java actually?
I work in selenium. This problem is more specific to Java than selenium The example I provided is selenium webdriver e…… -
Simple java date calculation
I want to do simple date calculation in Java For example, calculate the difference in days between dates (with a 0 tim…… -
Java: pre, postfix operator takes precedence
I have two similar questions about operator precedence in Java First: int X = 10; System.out.println(X++ * ++X * X++);…… -
Java double. MAX_ VALUE？
Hello, I was in my first year of computing system development, so I am very new to Java and have mastered the basic kn…… -
Java – JDK 1.7 jarsigner with HTTPS TSA is no longer valid
Looks like JDK 1.7 0_ The Thawte root certificate in 80 was revoked Using 7u80 jarsigner is no longer valid and worked…… -
Java bean, BeanUtils and Boolean wrapper classes
I used bean utils to manipulate Java objects created through JAXB, and I encountered an interesting problem Sometimes,…… -
Decrypt encrypted assertions using SAML 2.0 in Java using opensaml
There was a problem trying to decrypt encrypted assertions using SAML 2.0 The library I use is opensaml Java library 2……