Java
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Java – how to select the correct list implementation?
From this codereview answer, I also tend to use fairly large ArrayLists, and I don't see the logic to choose other lis…… -
Multithreading – Perl threads: how to make a producer?
I have a feature that runs very slowly I need to enter this function in the main part of the program So I want to do s…… -
Java – hibernate does not get the null value of the field in the database record
I use the following hibernate code to get data from the database SessionFactory factory = null; Session session = …… -
Java – MapReduce job in headless environment failed n times due to am container exception started by the container
When running a map reduction job in a headless environment in Mac OS X (for example, when running a job as a specific …… -
Java – can log4j restore integrity from disk?
We run several Java application servers and several applications here They all use log4j to log into the same file sys…… -
Java – conditional insertion using spring JPA / Hibernate
I am developing a project running in a cluster environment with many nodes and a database The project uses spring data…… -
Compile my project using java 7, but run my tests in gradle using java 8
I'm currently deploying my war to a WebLogic Server that supports Java 7, but I want to use Java 8.0 in my selenium an…… -
Java – prefix existing fields with M
I'm trying to make a structural replacement for my project I have a package of 100 classes, each containing 1 - 20 fie…… -
Java – a 0-byte file appears when capturing a screen through screensap
I had trouble capturing the screen of a non - rooted phone I tried this command on my computer: adb shell /system/bin/…… -
Java – generics using arrayadapters
I encountered a problem trying to create a generic arrayadapter This may be related to my limited understanding of gen…… -
Java – vector vs synchronizedlist performance
When reading the Oracle tutorial on collection implementation, I found the following sentences: Source: List implement…… -
Java – rxtx cannot list or find ports under Windows 7 64 bit
good morning, I'm having trouble using and / or installing rxtx on Windows 7 64 bit I used to have no problem using it…… -
Data type of Java arithmetic calculation result
In Java, I know that the data type of arithmetic calculation results depends on the data type of numbers involved in t…… -
Java math package for inverse cumulative distribution of skew normals and Poisson and exponent
I am looking for a package that provides mathematical functions for asymmetric (skewed) normal distribution and Poisso…… -
“Java form generator” from the given WSDL file
I'm trying to develop a form generator in Java where users can write a WSDL URL and get it Combo@R_522_2419 @List of o…… -
How can I use the Java operator “|” in kotlin?
How do I use this operator? int a = 5 | 10; int b = 5 & 10; It can be used in Java, but you can't see it in kotlin…… -
Java hashcode from multiple fields
In view of such a class: class MyObject { private String id1; private String id2; @Override public boolean eq…… -
Java streams – filter previously filtered values
I am trying to use Java streams and try to find out the possible contents and their advantages and disadvantages At pr…… -
Java generics: how do I specify a class type for generic types?
I have a POJO specified as: MyClass < U >, where u is a generic type parameter This method is implemented as fol…… -
Java Swing saves and loads workspace / settings
I have a Java Swing application that contains a stack of frames, and these frames mainly contain tables that display a…… -
Run compiled Java code at run time
I want to run the previously compiled code It doesn't matter if I compile anyway, but running code is a problem My cod…… -
Java – 500000 street names – data structure and purpose for fast search?
So we have many street names They came in with a document When starting servers in production, IDS may cache them The …… -
What tools are available to visualize which methods call other Java code methods?
What tools are available to visualize which methods call other Java code methods? For example, is codecrawler applicab…… -
Is there a more elegant way to handle lists in Java? (Python VS Java)
I like the way Python handles lists It makes any recursive solution look easy and clean For example, the typical probl…… -
JavaFX 2 charts and freehand zoom
This code draws xychart and performs freehand drawing using a combination of right-click and drag, while left-click an…… -
Pattern: converting Java classes from pivot objects
I use an axis to automatically generate web service artifacts, and then I convert them into objects used in our applic…… -
Java – Tomcat 7 nested combinedrealm, lockoutrealm and datasourcerealm
I tried in Tomcat 7.0 32 nested realms as follows (written in pseudo XML here): <CombinedRealm> <LockoutRea…… -
java – EasyMock. expect(…). Times (…) and using easymock The difference between expect (…) and several times?
What's the difference: ResultSet set = EasyMock.createNiceMock(ResultSet.class); EasyMock.expect(set.getInt("col1")).a…… -
Java – how to use a custom sslcontextfactory in a restlet application running on jetty?
I'm trying to use restlet's clientresource to connect HTTPS to a server using a self signed certificate I use an indep…… -
Nightwatch.com without Java js
Can I use nightwatch.com without installing Java js？ There are official selenium JavaScript bindings (webdriverjs, se…… -
Java – algorithm: mixed mergesort and insertionsort execution time
Good day, so community, I am a CS student and am currently conducting an experiment combining mergesort and insertions…… -
Java – running standalone Hadoop applications on multiple CPU cores
My team built a Java application using Hadoop library to convert a pile of input files into useful output When I run t……