Java
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Java 8: how to convert a list to a list using lambda
I'm trying to split the list into lists, where the maximum size of each list is 4 I want to know how to do this with L…… -
Java – how do I get precompiled Linux binaries for the protocol buffer?
My build server is based on Linux I need protoc to integrate it into my ant - based build system I'm building XML uses…… -
robots. Txt parser Java
I want to know how to parse robots in Java txt. Do you have a code? Solution Heritrix is an open source web crawler wr…… -
BlackBerry queue thread
I've seen BB API (5.0), and I can't find any method to execute a batch of threads serially I know BB has a limit on th…… -
The Java EE project cannot be deployed
I am a beginner of Java EE Today, I try to learn Java EE according to this tutorial: It basically teaches how to use N…… -
java – guava-libraries：Objects. Is hashcode (object []) collision safe?
When looking at the different options for overriding hashcode (), I was directed to objects. In Google's guava librari…… -
Java – how do I force an OutputStream object to refresh without closing it?
My problem lies in the following assumptions. I hope these assumptions are correct, because I believe these are what I…… -
Get the public DNS of Amazon EC2 instance from Java API
I have managed to start, stop and check the status of EC2 instances previously created from the Java API However, it i…… -
Lombok is related to Java 8
I just upgraded to IntelliJ idea 14 and Java 8. I also want to upgrade my project to Java version 8 and start using so…… -
Java – JSP / GlassFish: how to correctly set UTF-8 encoding
I'm looking for help to convert all layers in the stack to UTF - 8 encoding I found this good article: http://www.java…… -
Location parameter problem in Java – JPA Native Query
I'm trying to: String sql = "SELECT email FROM users WHERE (type like 'B') AND (username like '?1')"; List results = e…… -
Java – different log4j layouts for debugging and errors?
In log4j, is there any way to make logger Error ("") and logger Debug ("") contains different output layouts? I think …… -
Java – what kind of maze solving algorithm is this?
I tried to find out if this algorithm was a * (A-star) algorithm or something, but I was still confused Stack<Cell&…… -
Java – running Axis2 client version 1.5
So I'm trying to get the client to connect to the soap service I'm running through Axis2 I tried two methods. One is t…… -
Combining two functions in Java 8
In the isreadytodeliver method, if all products in the order are available (productstate. Available) and the order sta…… -
Java – how to merge a single selected PDF file into one PDF when downloading?
How do I merge a single selected PDF file into one PDF when downloading? I want to achieve the following goals: http:/…… -
MacOS – clojure dependency for Java 1.5 only?
I hope this is not the subject of so (I hesitate between so and programmers. Stackexchange), but as far as I know, thi…… -
How do I know if a Java se class or method is thread safe?
For example: static private DateFormat df = new SimpleDateFormat(); public static void format(final Date date){ fo…… -
Java – COM / MySQL / JDBC / Driver: Unsupported major Minor version 52.0
When I was in Apache Tomcat / 7.0 52 (Ubuntu) deploying my war using MySQL connector - java-6.0 3. Jar encountered thi…… -
The static of Java and the self of ruby
Is it static in ruby, like self in ruby? Solution No, the static nature of Java has nothing to do with Ruby's ego Java…… -
Java – Maven project design – share a common project
I'm new to maven, I'm trying to convert some projects into Maven work, and I'm not sure what's the right way to build …… -
Java – multiple projects using eclipse
I have a workspace in eclipse with two projects I want to reference project #2 in project #1, but when I go to project…… -
Java – spring MVC empty array as default
I have a spring controller method that takes some optional arrays as parameters They are not required, but I hope they…… -
Java – how to delete double quotes when reading CSV
public class CSVTeast { public class CSVTeast { public static void main(String[] args) { CSVTeast obj = new C…… -
PowerMock Mockito [PowerMockito] @PrepareForTest – > java. lang.NoClassDefFoundError：javassist / NotFoundException
I'm trying to use my first powermockito [powermockito] simulation in existing JUnit tests I've narrowed down that when…… -
Java – use generics to implement common methods in abstract classes
Suppose I have this hierarchy: public abstract class AbstractEntity implements Cloneable { ... public Abstract…… -
How to create a directory in the current working directory in Java
What is the simplest way to create a directory called "foo" in the current working directory of my java application (i…… -
Java – API retry logic in Amazon Web Services
http://docs.aws.amazon.com/general/latest/gr/api-retries.html This document mentions that "each AWS SDK implements aut…… -
MOXy JAXB javax. xml. bind. PropertyException
I follow this example: http://wiki.eclipse.org/EclipseLink/Examples/MOXy/JSON_Twitter Now I have this class: import ja…… -
Java: namedquery string problem
Hello, I encountered some exact matching problems when doing namedquery I am currently using something like this: @Nam…… -
Java – time complexity of iterating over array lists
I have an array list and I iterate In each iteration, I call get () to get an element, and if the item passes some con…… -
dispatch_ semaphore_ Grand central dispatch of create – lvalue parameter?
In dispatch_ semaphore_ In create, what does the long value parameter mean? dispatch_semaphore_create(long value) I do……