包含标签：Java 的文章
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Java – how do I get the server port number when using a JMX server with a transient port?
When launching a Java application using the following options: -Dcom.sun.management.jmxremote -Dcom.sun.management.jmx…… -
Java – annotation processor output in maven
I'm using JSR 269 as a compile - time method to analyze code and fail it if necessary Solution I think you encountered…… -
Java – can eclipse refresh Tomcat applications automatically?
I use eclipse indigo (EE) to build applications in the Java framework vaadin, Otherwise, when I refresh the applicatio…… -
Java – images are not cached locally (using the general image loader) – slow image loading time
Problem Description: Image loading is very slow... I thought using the "universal image loader" to cache images on the…… -
URL routing in Java
From other web frameworks, I'm used to being able to map part of a URL to method parameters I know web XML provides a …… -
Java – why does switching from infinite loop to TimerTask cause CPU utilization to decrease?
I wrote a daemon with the following structure: @ h_ 502_ 2@while ( true ) { // do some stuff Thread.sleep( 1000 ); } I…… -
Using another constructor in Java
consider: int a = 0; int b = 3; //Constructor 1 public ClassName (int a) { this(a,b); //Error …… -
Java 8u31 plug-ins cause signed applets to load much more slowly
I've noticed that signed applets load much slower with the latest plug-ins (included in Java 8u31 and 7u75) I have deb…… -
Virtual machine – import VHD to Parallels Desktop 6 on MAC
I see everywhere, but I can't find the answer, so: I have a VHD image created for me by a customer - he installed win7…… -
Java – on IntelliJ 13, the created executable jar is invalid or corrupt
I try to create an executable jar from a project on IntelliJ 13 (win8). According to these answers, how to build jars …… -
Java – the relationship between bytecode instructions and processor operations
The Java specification guarantees that the original variable assignment is always atomic (long and double type expecte…… -
Java – the difference between resteasy and jax-rs
What is resteasy? What is the difference between resteasy and jax-rs? Solution According to its home resteasy is So ja…… -
Java – JSTL string comparison always returns false
I'm trying string comparison <c:if test="${dept eq 'account'}"></c:if> But this always returns false I che…… -
Can the Java – hibernate tool generate JPA POJOs?
Can I know if the Eclipse Plug-in hibernate tool can be used to generate JPA entity @ entity? The generated java files…… -
Migration of JAXB for Java – Weblogic 12C disaggregation
We have a Weblogic 10.3 5.0, we are migrating to WL 12.1 2.0. 0. We are solving the problem of ungrouping WS calls fro…… -
Java – transform and parse JSON
I'm using retrofit with Jackson For some reason, I cannot resolve the following JSON: [ { "ProfileImage": …… -
Java – log4j is recorded twice in different formats
I don't know why log4j is attached twice in different formats Has anyone met before? This is my log4j XML file: <lo…… -
How to use java to access spreadsheets in open document format (. ODS)?
I want to read, write and create spreadsheets in Java open document format And I want the generated Java program to ru…… -
Java – policy design pattern – select policies and counters
I'm programming in Java, but this is a more design question, so any OO programmer can answer this question I have a qu…… -
We can reject serialized Java objects instead of giving the transient keyword
We can avoid serializing fields by using the transient keyword Solution http://java.sun.com/javase/6/docs/platform/ser…… -
Java – mybatis column mapping
I use mybatis 3.0 3 and there is a problem: some columns in the database have underlined names, which should be mapped…… -
Java – call stream() Reduce () in the list has only one element
I am a new function programmer of Java and want to know how I should write code to avoid NPE (for example): myList.str…… -
What is the best way to transfer files using Java?
I'm writing a code to upload files from the client to my server, and the performance is not as fast as I think I am no…… -
Java – static variables that span multiple different subclasses – corrected
I want to know that if I define a basic activity object, all my activities are subclasses Then I declare a static vari…… -
Java – spring: init method, postconstruct, afterpropertieset: when to use others?
There are many initialization options available in the spring bean lifecycle Init method, postconstruct annotation, af…… -
What does this Java error mean?
java.lang.indexoutofboundsexception: Index: 1365,Size: 1365 java.lang.indexoutofboundsexception: Index: 1365,Size: 136…… -
Java – format slf4j to record message types using colors
I am using slf4j to log in to my java application It involves a large number of logs and log monitoring Any suggestion…… -
Write a pattern method in Java to find the most common elements in an array
The question is: Here's my code that almost works, except for single element arrays publicstaticintmode(int[]n) { Arra…… -
LRU caching in java with generics and O (1) operations
This is a question in the interview The idea is to define a data structure instead of using Java's built-in LinkedHash…… -
VHDL – why can’t I add this ` STD_ logic_ vector`
What happened here? Why do I get an 'operator parameter type mismatch', and what should I do to solve it? -- -- 32-bit…… -
Object pool for Java wrapper and string
As we all know, sometimes Java uses object pools as wrappers and string types, and sometimes it doesn't For example: I…… -
Java – partially ordered comparator
How to implement Java. Net that sorts its elements according to the partial order relationship util. Comparator？ For ……