包含标签：Java 的文章
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How to use index for O (1) random access sort set
You need a string collection, in which the inserted elements need to be sorted or non repeated, and can be retrieved b…… -
Override Java methods that require double arrays
Suppose I define the following Java interfaces: public interface A { public Double[] x(); } Then try to implement it…… -
Java – handling catastrophic exceptions
I read in the c# primer that if you don't know how to handle it, you shouldn't find exceptions Considering these sugge…… -
Java – spring profile contains yaml files
When the team set up WebSphere profile activation, I was trying to complete the cloud profile activation Yaml file ---…… -
Java – scan components of different Maven modules / jars in spring boot applications
I have two Maven modules package org.example.application; @SpringBootApplication @ComponentScan({"org.example.model",…… -
Java – ooobeans dead What choice do I have?
Recently, I started exploring the office bean library. In other words, I tried to run a simple OOo bean example First,…… -
Java – communication between two jpanels
I have this "main" panel (let's call it AAA) and borderlayout, as well as two panels (BBB and CCC): public class AAA e…… -
Java RMI: requires sniffer
How do I sniff and analyze Java RMI traffic? There are only very local solutions in Wireshark I need to know exactly w…… -
Java – you cannot use getdeclaraedfields() to retrieve fields from Scala classes
I'm trying to use Scala's Java library (johm) and notice that when lib tries to use something like model getClass(). G…… -
Java – exclude packages from Proguard
In Proguard How to include certain packages after excluding parent packages from CFG: For example: -keep com. myapp.**…… -
How do I mark Java methods as “must use results” for static analysis?
When compiling C or C with GCC, you can mark functions with attributes ((warn_unused_result)). If you call a function …… -
Java – instance level access control in Apache Shiro
I found a flexible security framework Apache Shiro I successfully realized authentication and authorization with Shiro…… -
Java – why does my compiled class have its method local variables renamed?
I have a kitchen Jar file I need to modify one of its classes I decompile it with JD Then I modified toster Java file …… -
Java – unexpected action of light source in the room
I've written several Android apps, but this is my first time using 3D programming I created a room (4 walls, ceiling a…… -
JPA – the difference between the methods of ‘detach’ and ‘Remove’ entitymanager
I want to know what is the real difference between em.detach (entity), em.remove (entity) and using jpql requests: em.…… -
Java: how to parse XML in E4X?
I wonder if there is a way to parse XML using E4X, or something like E4X Does such a framework / library exist? thank …… -
java – NoSuchMethodError：com. google. common. base. Stopwatch. createStarted()Lcom / google / common / base / Stopwatch
My app is throwing nosuchmethoderror: com google. common. base. Stopwatch. Createstarted() LCOM / Google / common / ba…… -
How to get SOAP messages when using the client generated by axis 1.4 wsdl2java
This can be a simple problem for anyone with moderate expertise in Web services using Apache axis I have a web service…… -
Java – can nested threads throw exceptions for parent threads?
I have a controller class and a monitor worker thread public class ControllerA { public void ControllerA(){ …… -
Two java files, in the same directory, one accesses other classes / S?
I tried to grant one Java file to access another Classes in java files I want to do this on the command line For examp…… -
JAXB annotation – mapping interface and @ xmlelementwrapper
I encountered a problem with the JAXB annotation of a field, which is a list and its generic type is an interface When…… -
Java – libgdx gets the duration of the music
I tried to get the duration of music in libgdx I'm not talking about: getPosition(); What I want is the duration of th…… -
Creating too many threads in Java
I use threads in my java application to get data in parallel (using network calls) I have a method (not in the thread …… -
Java print string c equivalent
See English answer > java reflection: how to get the name of a variable? 7 #define printVar(var) cout<<#var&l…… -
Unit testing – how to use JUnit and Hibernate effectively?
I want to use JUnit to test hibernate code, such as insert, update, delete Methods and transaction management But I do…… -
Java – Jersey 2 generates WADL schema using method parameters
I am using Jersey 2 and want to generate WADL architecture <resource path="/addItem"> <method id="addItem…… -
Java – only one parameter is required in Apache commons cli?
I just want to know if there is any method in the Apache commons cli library that specifies that a parameter must be p…… -
JavaFX stopwatch timer
This is a simple stopwatch class for JavaFX. Set the style of the label object as needed package aaa; import java.tex…… -
Java – there is a faster method, and then StringBuilder can connect strings in up to 9-10 steps?
I have this code to connect some array elements: StringBuilder sb = new StringBuilder(); private RatedMessage joinMess…… -
JPA – how do I change the eclipse link in glashfish 4.0?
I want to change eclipse link from 2.5.0 in glashfish 4.0 0 to 2.5 1. I have downloaded bundled downloaded and replace…… -
java. Lang.noclassdeffounderror: javax / mail / messagingexception unresolved
I'm trying to javax Mail jar was added to my classpath, but I received this error: java.lang.NoClassDefFoundError: jav……