包含标签：Java 的文章
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Java – use simpledateformat to parse strings to date and time
I have string 11 / 08 / 2013 08:48:10 I use simpledateformat ("mm / DD / yyyy HH: mm: SS") When I parse it, I throw an…… -
Java – is there a simple framework that allows dependency injection in stand-alone programs?
We basically need to be able to adjust the behavior at startup by providing the required classes generated by various …… -
How to convert InputStream to inputstreamsource or datasource to attach in spring JavaMail
I'm getting the input stream from jsch channelsftp, as shown below ChannelSftp channelSftp = (ChannelSftp)channel; …… -
Invalid character constant in Java
return (int) (feetPart) + '\' ' + inchesPart + '\''+'\''; return (int) (feetPart) + '\' ' + inchesPart + '\''+'\''; Wh…… -
Accessing the value of a variable as a string in Java
I have a string containing the name of the variable I want to get the value of this variable int temp = 10; String tem…… -
Java – Stax – takes XML nodes as strings
XML looks like this: <statements> <statement account="123"> ...stuff... </statement> …… -
Java – spring boot and thymeleaf 3.0 0. Release integration
I have a problem when I try to integrate spring boot 1.3 5. Release and thymeleaf 3.0 0. Release I know that spring bo…… -
Java 8 – filtering with bipredicate
I have a stream of integers. I want to find two numbers whose sum is equal to the other number So I came up with the f…… -
Are the following incremental code threads safe in Java?
Java code: public class IncreaseTest { public static int value = 0; public synchronized int increment() { …… -
java. lang.Math. Is pi equal to m of GCC_ PI？
I have written several reference algorithms in Java and C / C + + Some of these algorithms use π I want two implementa…… -
Email template library in Java
I know that there is a library called FreeMarker that can create email templates for Java Do you think this library is…… -
Java – how JPA adds a unique constraint on the column of the @ onetomany relationship, for example, on the user name
I have a class website representing websites and class users The site can have multiple users class Site { privat…… -
How to parse this JSON response in Java
I want to parse these JSON responses: { "MyResponse": { "count": 3,"listTsm": [{ "id": "b90c6218-73c8-30bd…… -
Java – multiplication overflow of two ints results in negative numbers
Consider this fragment in the Java language specification class Test { public static void main(String[] args) { …… -
Java – why is char implicitly converted to byte (and short) primitives and when should it not?
Some features of the compiler puzzled me (using Oracle JDK 1.7 of eclipse) Therefore, I have this book that char primi…… -
How to use xwpftable in POI to merge cells (or apply colSpan) in Java?
Creating a table in POI is very simple, but its tutorial is very limited. I can't find a simple merged cell in the tab…… -
Java – cookie domain contains dot?
I use GWT's cookies class to generate cookies When I use the following Cookies.setCookie(LOGIN_COOKIE_NAME,value,expir…… -
Java – how to get latitude and longitude information from a picture
How to obtain longitude and latitude information from the picture storage in the device or SD card? Solution I found a…… -
Java – httpclient publishing progress and multipartentitybuilder
I tried using httpclient 4.3 3 and multipartytybuilder achieve progress when uploading files So I actually execute a p…… -
How to use Apache math 3.0 to generate bin of histogram in Java?
I've been looking for using Apache common math 3.0 to generate dustbins for specific data sets (by specifying low freq…… -
Accessing inherited class variables in Java
If you inherit from activities that declare certain member variables, how do you access them in subclasses that perfor…… -
Java – convert iso8859 string to utf8? Ä Ö Ü = > Ã why?
What's wrong with this code? I made an iso8859 string Therefore, most of them are krypooutput No problem. But how do y…… -
Get the return list from foreach Java 8
I'm trying to use stream to deal with something. I think I have a conceptual misunderstanding I try to get an array, c…… -
Java – gradle always executes println from any task
I have a simple build Gradle (or build. Gradle for any task with println) println GradLeversion.current().prettyPrint(…… -
Java – why should I use URL Openstream instead of URL getContent？
I want to search the content of a website html_content = urllib.urlopen("http://www.test.com/test.html").read() In the…… -
Java – persistent error message: an instance of an empty PK was incorrectly provided for the lookup operation
I'm trying to use NetBeans 7.01 to learn JSF 2.0 and JPA tutorials I am using Oracle Xe and JDBC_ 6. I used the JSF pa…… -
Java – a substitute for hibernate or TopLink?
Is there a viable alternative to hibernate? Things that are not based on JPA are preferred Our problem is that we are …… -
Java – HQL, where in indicates an empty list crash
I have an HQL statement like this: Select cast(ed.employee.employeeID as int) AS emp_id FROM Education AS ed WHERE ed.…… -
Java – spring AOP: @ annotation (annotation)
I (of course) try to maintain the project with many structures I don't know very well In trying to figure out the use …… -
Java – are there any side effects of using many static functions?
At present, I am very interested in game framework because it can promote faster development When I see the code, ther…… -
Java – create a custom tag library that extends the spring tag library
I want to create a custom tag library that should extend the existing spring MVC 3.0 tag library I want to do this bec…… -
Java – which continuous integration library do you use?
I used cruise control as the CI framework in my last project (I didn't find CruiseControl lacking, I just want to know……