Java
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Java – how to build eclipse plug-ins outside eclipse?
I have a series of eclipse projects, including many plug-ins and functions, which are checked into CVs I now need to r…… -
java – System. What input class does in belong to and why?
code import java.io.*; class ioTest1{ public static void main(String args[]){ System.out.println(system.in.g…… -
Java – add / remove items to the array in Amazon dynamodb
I'm looking for the most efficient atomic method to add an item to an array in a dynamodb object Now, I see that the o…… -
File based merge sorting of large data sets based on Java
Given a large dataset that is not suitable for memory, are there any libraries or APIs that perform sorting in Java? S…… -
Java – int cannot dereference
I started in Java (I was learning microedition), and I got this error: "int cannot dereference" in the following class…… -
A good source of news about Java trends
Some people can recommend several good websites / blogs / RSS / podcast. Those who are interested in Java can keep abr…… -
Two implementation methods of Java Dynamic agent are explained in detail
The dynamic proxy of Java is described in the API connecting to Java, which is not written here. I understand the agen…… -
Is buffered output stream more efficient than input stream in Java?
Bored earlier today, I began to think about the relative performance of buffered and unbuffered byte streams in Java A…… -
Delete sun.com in Java 9 misc. Unsafe will break spring, hibernate
I read here, if Oracle deleted sun. In Java 9 misc. Unsafe, spring and many other popular libraries will be destroyed …… -
Java – how to find bean validation errors in NetBeans
I created an EJB Session Facade in NetBeans 7 to store my entities public class Insurance{ @ManyToOne(optional=fal…… -
Java – Maven build failed dependencies
I have a local artefact repository and my Maven settings point to it, but for some reason, it doesn't seem to hit it a…… -
Java – generic methods with different return types depending on the call location
I have the following methods to use generics to execute getters for each item in the list it receives: public static &…… -
Java – spring boot w / embedded Tomcat does not send requests to the controller
I have an application using spring boot and embedded Tomcat container As far as I know, my code is the same as spring …… -
Multithreading – how do I kill an MFC thread?
I use afxbeginthread to generate a thread, which is an infinite while loop: UINT CMyClass::ThreadProc( LPVOID param ) …… -
Statements prepared by Java in try with resources do not work properly
See English answers > how should I use try with resources with JDBC? 4 What on earth did I do wrong? Or is it impos…… -
Multithreading – reactive extension onnext
Using the RX theme, is it thread safe to call onnext() from multiple threads? Therefore, sequences can be generated fr…… -
Query documents on array elements in mongodb using java
I'm new to mongodb My sample document is { "Notification" : [ { "date_from" : ISODate("2013-07…… -
JavaFX real time linechart with timeline
I tried to draw a real-time graph with a timeline, but I found that the linechart constructor only has a signature Lin…… -
Java – I should test for situations where nothing happens
If the status is s or P, the sample can be deleted I have the following tests: @Test public void canBeDeletedWhenStatu…… -
Java – framework / design pattern for business rule validation
What framework / design pattern should I use to apply applications that may have more than biz rule validation? The ty…… -
Java – change the final variable through reflection. Why is there a difference between static and non static final variables
Please refer to the code below My question is why exceptions are not thrown in the case of non - static final variable…… -
Java – exception: mockito wants but is not called, but actually interacts with zero of this simulation
I have an interface Interface MyInterface { myMethodToBeVerified (String,String); } The implementation interface is …… -
Java – read date values from excel cells as strings
I use Apache POI library to read Excel files I got stuck reading the password unit If the user enters a date in the pa…… -
Java – why does atomicreference CAS return false with a value of 128?
I use atomicreference to implement atomicinteger However, in testing, I noticed that even in a single threaded environ…… -
What does the load () method of Java – hibernate do for non-existent IDS?
I'm interested in session JavaDocs on load is a little confused: I understand that I should use get, but what I don't …… -
Javafx-2, delete focus highlighting through CSS
I want to remove the blue border that overwrites the tableview when focusing I checked Caspian CSS, for most component…… -
Java – what is the best server client communication protocol used in Android and IOS?
We have a server application (implemented in Java) that will provide some data for our mobile application Apps will be…… -
Java – jar: accessing external configuration files
I'm looking for something that I don't think will be difficult I have an application. I want to package it into a jar.…… -
Java – a tricky static generic method with a generic return type, which itself can be generic
I have a course as follows: public class MyConverter { public <T> T convert (Object o,String typeidentifier,…… -
Strictfp in Java
I have implemented some neural network libraries in Java, and there are tight double (not double) matrix operations. T…… -
How to convert jdbc4connection to pgconnection?
I want to use Postgres copymanager: CopyManager cp = ((PGConnection) dataSource.getConnection()).getCopyAPI(); Because…… -
Java – how to check whether column names exist in cachedrowset?
I am viewing data in views that may change I need to know before I make a CRS Whether the column exists before get ***……