包含标签：Java 的文章
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Java – use try catch finally to return the type
See English answers > java's return value in try catch finally mechanism4 private Integer getnumber() { Integer…… -
Java – what is the best practice for socket programming – do I turn it off or leave it open every time?
I haven't found a definite answer yet I have a client / server application in Java 7 The server and client are on sepa…… -
Click the selenium Java button
I have a button: <input type="button" onclick="onOpenSessionClick()" value="Open device access"> But when I exec…… -
Java – filechannel ByteBuffer and hashing files
I built a file hash method in Java, which accepts the input string representation of file path and file name, and then…… -
How to determine if another process is using the file (Java)
I tried many examples, but no one worked I also try to use trylock() It always returns false Why? private boolean chec…… -
Java – @ stateless WebService with JPA JTA: how to submit changes to managed entities?
I have the following simple WebService declared as @ freeless EJB in GlassFish 3.1 Run on 2.2, eclipse link 2.4 1. Use…… -
Java – append video files with different widths and heights
I'm building an application where users can record screenshots An integral part of the application is that you can tem…… -
How to connect to gromy’s JMX faster
I use the Weblogic example: http://groovy.codehaus.org/Groovy +And + JMX connects JMX to groovy The problem is that th…… -
Java – joda time days since the era
I have a question, @ L_ 419_ The number of days since epoch returned by 0 @ library changes according to the date I en…… -
Cross platform with asynchronous support Net websocket server Library
Are there any cross platform (read: single friendly) libraries that provide websocket server support and allow asynchr…… -
Java – using enumerations in Scala
I have Scala style enumerations object SomeObject { final object SomeEnum extends Enumeration { type SomeEnum =…… -
Accessing C constants (titles) from JNI (Java Native Interface)
How do I access constants defined in C header files from the Java side (through JNI)? I have a header file C_ header. …… -
Java – from system In get Unicode value
I created one from system In to get the input scanner so that I can get the input from the console Scanner scanner = n…… -
Java – publishes formdata objects using the input type and the file NullPointerException
I'm trying jQuery Ajax publishing using input type files and normal input types with text, and using request Getparame…… -
Java – use Apache httpclient to make rest calls with data and headers
In addition to mobile applications, I also need to integrate Kii mbaas services into one of my web applications I use …… -
How do I send events (push notifications) from Java EE applications?
I have a Java EE application where the model is updated very frequently from various sources In addition, I have a ric…… -
Java – add setup steps for multiple JUnit test classes
In a project, there are multiple test classes, and each test class contains multiple test methods For example, I want …… -
Java – error syntax SQL exception when reading value with rowmapper
This is my model class //Model public class CustomerData { private String locomotive_id; private…… -
Java – how is “AAAA” different from “yyyy” in the context of year values?
Referring to simpledateformat docs, the mode character representing the year is y, so we have YY and yyyy (2013 respec…… -
Multithreading – restart Delphi TThread throughout the application lifecycle
I created a class derived from TThread because I wanted to do something asynchronous, but in order to avoid creating a…… -
Java – spring 3.0: “prefix” X “of attribute” Y “associated with element type” Z “is unbound”
My application worked well until this morning, but I began to receive the following error after renaming my NetBeans 6…… -
Java – enum: have I just done something I don’t need?
I have an enumeration class. It has several constants. I want to add some static values focused to indicate which enum…… -
How to generate XMI files for Java source code?
I am writing a program in Java language, which takes java source code as input and outputs XMI file, which contains th…… -
Deep copy of generic types in Java
How do deep copies (clones) of generic T, e work in Java? Is it possible? E oldItem; E newItem = olditem.clone(); // d…… -
Rest – Jersey conflicts with javax Servlet
I'm using Jersey and Maven to build a simple rest service For Jersey versions greater than 1.8, the web. In IntelliJ X…… -
Java – string packed loop logic
My for loop is a bit biased for my string compression I've been doing this task for the past five days. I can't figure…… -
Java – how to use Weblogic to detect connection leaks in JDBC?
Is there any way to detect the connection leakage in the project without load test I am using WebLogic Server. Is ther…… -
Java – jlabel can have img tag
I'm trying to display a jlabel with several lines of text and images as follows: @ h_ 502_ 2@String html = " hello "…… -
java – org. apache. hadoop. mapreduce. counters. Limitexceededexception: too many counters: 121 max = 120
I'm running a Hadoop job (from oozie) with few counters and multiple outputs I got the following error: org apache. ha…… -
My application’s Java lang.ClassNotFoundException
I just received an error report from the device "desire HD (ACE)" recently. I can't recreate my life I checked here1 a…… -
Accessing C constants (titles) from JNI (Java Native Interface)
How do I access constants defined in C header files from the Java side (through JNI)? I have a header file C_ header. …… -
Java – cloud endpoint collection parameters
I'm using Google App Engine cloud endpoints. I'm trying to receive a collection parameter This: public List<Pair>……