包含标签：Java 的文章
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Lambda expressions in Java 8
I want to use a lambda expression instead of a for loop to generate a list of numbers So let's want to generate a list…… -
Java – jdk8 with – source 1.7 [default method]
I have the following classes public class zoneddatetimeToInstant { public static void main(final String[] args) …… -
Java – what are the benefits of using spring El in ognl?
I want to know what mobile spring uses spring El in ognl in its web process products: http://static.springsource.org/s…… -
Intrusive list implementation Java?
Is there a double linked list class that can be used for any (well implemented) intrusion of Java? Or should I be my o…… -
Java – pop up dialog from background thread
I need a pop-up dialog box. When I receive messages from different threads, the dialog box should not depend on activi…… -
Java – grouping in a simple aggregation storm topology
I'm trying to write a topology that does the following: >Subscribe to a twitter feed (based on keywords) > an ag…… -
How to get the name of an object in Java?
Like this, a = new a (), how do I get a name? (from a) get the string "a"? A JPanel contains some jtextfields, and a m…… -
Java date annual calculation is closed two days a year
If you can imagine, this will cause Y2K style errors in my software Strangely, the annual calculation only takes place…… -
Java – why do I get stackoverflowerror
public class Category { public class Category { private Category parentCategory; private Set<Category> …… -
Java – the behavior of the statement returned in catch, and finally
public class J { public class J { public Integer method(Integer x) { Integer val = x; …… -
Java – use jsch to put files into a remote directory and create it if it does not exist
I want to copy files to a remote directory using the jsch library and the SFTP protocol In the API documentation, http…… -
Java – wicket: hide comments in HTML
JSP supports the syntax of <% - Comment -% > annotation, which is a way to annotate the code so that it is not i…… -
Java – can IntelliJ generate getters without “get” prefix?
IntelliJ has a cool feature to generate Java getters For example, for a field private final string foo, it will genera…… -
Java – extension API internal error: org powermock. api. extension. reporter. MockingFrameworkReporterFactoryImpl
I tried to write a unit test with powermockrunner, but I received the following error: I checked all the dependencies.…… -
Java – get the class name of the logging record
To log errors for a given class, I am accessing the class name: private static final String CLASS_NAME = MyClass.class…… -
Java – asynchronous logging
Now in my application, at some point we are recording something heavy in the log file Basically just for recording, we…… -
Multithreading – what is the difference between deadlock prevention and deadlock prevention?
I've heard of these two terms. Are they the same thing or different? Solution You can see: Avoid: do not share resourc…… -
Is the Java – dto pattern deprecated?
Is the dto pattern still a valid option in a complete Java EE application cluster? Relevant applications use EJBs, hib…… -
Java – LRU caching using LinkedHashMap
I try to use LinkedHashMap to implement LRU caching Note that if you re insert the key into the map, the insertion ord…… -
Java – interaction between JUnit @ rule lifecycle and @ before
I have some JUnit tests using temporaryfolder @ rule They use the temporaryfolder in the @ before method to perform so…… -
Java – disables certain aspects during unit test runs
I have integration tests (load context) and unit tests running together My code uses spring compile time weaving My pr…… -
Java – what is the time complexity of this sort method?
I wrote this course: public class SortingObjectsWithAngleField implements Comparator<Point> { public int co…… -
How to program monadically in Java 8 while achieving comparable performance?
Is monadic programming slow in Java 8? Here is my test (create a new instance for each calculation using any of the ri…… -
Java – why change the value from float to double?
I've been trying to find out why, but I can't Look at the following example float f; f = 125.32f; System.out.…… -
Windows support for native GSS-API in Java 6
From http://java.sun.com/developer/technicalArticles/J2SE/security/#3 ： That document started in 2006, so things may …… -
Should I choose SWT or swing to program the GUI in Java?
I need to create a GUI application in Java I realized that I had different options (including SWT and swing) I've foun…… -
Java document
I can't create a document for this code. I think the coomad of my Javadoc is wrong. I read it, but I don't understand.…… -
Java – unable to parse import com google？
I used a tutorial on this page: It told me to change the main activity. Except for this error, everything went well: "…… -
Java – sets the size of the jslider
How do I configure the thumb size for jslider? The default value is used, and the range of jslider is 256. The thumbna…… -
Java – possible null pointer exceptions for autoconceable idioms
Consider the following try with resources blocks: try (Foo foo = getAFoo()) { } For implementing Java Some classes of…… -
Java – SQLite and hibernate – good idea?
I am using java hibernate to develop a small desktop application I am using MySQL for development, but I want to repla…… -
Should I choose SWT or swing to program the GUI in Java?
I need to create a GUI application in Java I realized that I had different options (including SWT and swing) I've foun……