包含标签：Java 的文章
-
Java – how to use resteasy to implement OAuth 2.0 in Google App Engine?
I am developing Google App Engine rest service. I want to use OAuth 2.0 for authentication I add the following code to…… -
JPA: use @ generatedvalue on non ID columns
I try to stick to an entity with attributes I want to populate from the DB sequence I am using Oracle to create a sequ…… -
Java – FreeMarker, can I set the computer number format by default?
About FreeMarker, can you tell it to treat all numbers as "computers" by default? I tried to apply cfg.setSetting(Conf…… -
Java – eclipse shortcut for declaring variable names as method parameters
Suppose we have such a variable: byte[] someByteArray; And such a method prototype: public void someMethodRequiringStr…… -
Java – password protected applications in Tomcat
I am developing web applications using jsp servlet, and I use Tomcat 7.0 33 as a web container So my requirement is th…… -
Java – how to get entity size in gae / J?
The gae document mentions that the maximum entity size is 1MB Because I store a lot of data in entities, I want to kno…… -
Java – getting started with Oracle Database
I was assigned the task of making Java Web applications work with Oracle databases I don't know where to start I hope …… -
Java – localize Jfilechooser “all files” string
I'm using Jfilechooser to develop a Java application where users can switch languages Locale.setDefault( Locale.ENGLIS…… -
Java – exceptionhandler in spring
import org.springframework.beans.TypeMismatchException; import org.springframework.beans.TypeMismatchException; import…… -
Java – spring JDBC declarative transaction management in karaf
I have a project module that is built as an OSGi package (spring DM) I can't set up declarative transactions. Someone …… -
Java – check whether the object is an instance of list
I have an object that sometimes contains list < Object > I want to check it with instanceof, and if so, add some…… -
Creating CSV files using java
I will use java to create a CSV file This is part of the code: try{ FileWriter writer = new FileWriter(sFileName)…… -
Java – asynchttpclient does not have onsuccess or onfailure running
I'm trying to connect the PHP script that means asynchttpclient to my website The script performs the HTML parsing of …… -
Java – why are topic messages not listed?
I want to ask a question about ActiveMQ I entered the active MQ administration page and found that queued messages wou…… -
Java – after a period of time, let the thread go to the last
I have a thread that may get stuck and continue running Therefore, after a period of time, I want it to stop executing…… -
Create a mongodb query in Java using $or $in
I am trying to write a java code using the mongodb API to create this mongodb query: { "$or": [{"prd" : {"$in" : ["123…… -
Java EE – hornetq: how to reuse xaconnection and xasession
I encountered some problems when trying to reuse xaconnection and xasession on multiple workers in JBoss applications …… -
Java – how to print “Hello world” Complete life cycle
I studied compiler, operating system and computer architecture in graduate school But I want to see these concepts (le…… -
Java – enables existing spring batch applications to run on multiple nodes
We have an existing spring batch application, and we hope it can run on multiple nodes The scalability documentation f…… -
Why does Java use heap data structures to store objects?
Or it does not use heap "data structures" The name allocated to memory (internal pool) was just called "heap"? If so, …… -
Java – alternative to randomaccessfileorarray (byte [])
Who can tell me the alternative method of random access file or array (byte []) of iText Solution From located http://…… -
Java – an effective way to use neo4j to find a node set related to a given node
Given two nodes, is there an effective way to find a set of common nodes (with defined relationships) For example, con…… -
Java – why is it necessary to override hashcode and equals methods of HashMap?
See English answers > what issues should be considered when overriding equals and hashcode in Java? 11 Now I've rea…… -
Java dateformat: how to handle “ST”, “nd”, “Rd”, “th”?
How to use some dateformats to parse such strings? As far as I know, there is nothing in simpledateformat Solution Try…… -
In Java, is there a type constant equivalent to Pascal
In Delphi / Pascal, there is a mechanism through which local variables in a method can remember the value from one met…… -
Java – core and core_ Differences between RT and JSTL Tags
When I use <% @ taglib URI = "http: / / Java. Sun. COM / JSP / JSTL / core" prefix = "C"% > for my struts 1.3 10…… -
Using the dropwizard to process long requests
I have a simple dropwizard service. I want a rest API to start a long-running processing task - including CPU and I / …… -
Java – get interceptor parameters in struts 2
I have the following action mapping <action name="theAction" ...> ... <param name="param1">one</par…… -
Java – try creating with strings
I found an interesting case when I used a string to create and check its hash code In the first case, I use the copy c…… -
Using recursive methods in Java
For homework, I was asked to write an inclusion method for the custom linked list public class OrderedList { private …… -
Java – a technique for extending classes using private constructors
Is there a standard technique to "extend" classes with private constructors, like most singleton classes? Specifically…… -
Java – error: importing com google. appengine. api. Datastore failed to parse JPA gae GWT
Error in development mode [ERROR] [cbd] - Line 15: The import com.google.appengine.api.datastore cannot be resolved Us……