包含标签：Java 的文章
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Java stretch icon fit button
I'm trying to resize my icon so that it covers the entire button and is in the center of the button When I try, it str…… -
Java – how to create an ArrayList correctly?
See English answers > type list vs type ArrayList in java15 List<String/*or other object*/> arrList = new Arr…… -
How to create a universal date formatter in Java for Solr?
I have a request that you can pass the date in the following format before indexing the date to Solr The following is …… -
Java – Excel read error: invalid header signature How?
I am uploading an excel file from my browser I'm using poi. Jar But get wrong The two JSP files I use are as follows: …… -
Java API streams collects streams in the map, where value is TreeSet
There is a student class with name, last name, age and getter Given a student object stream How to call a collect meth…… -
Java EE – ejbclient0000025: no EJB sink to process?
I tried to connect from an executable Java application (not on JBoss locally) to a remote EJB on JBoss 7.2 locally How…… -
Cause: Java sql. Sqlexception: connection and managed connection org. jboss. resource. ADA independent
I have an application for JBoss, seam, hibernate and H2 I wrote a simple operation to import data from an external fil…… -
How does Java – JFrame work? Deep inside, how does it draw things?
Usually, when I create a class, such as customer, I give it some data fields, that is, public int IDnumber; And some m…… -
Java 8 HashMap high memory usage
I use HashMap to store qtable to implement reinforcement learning algorithm My HashMap should store 15 million entries…… -
Java – project setup using eclipse and mercurial
I'd like to make some suggestions on using eclipse to set up multi - Project workspaces In other words, I'm going to c…… -
Java – how to quickly load large txt files into BigInteger?
I'm importing a large 17 million bit text file. I'm using this Code: BufferedReader reader = new BufferedReader(new Fi…… -
Java – bufferedinputstream and blocking
I'm using bufferedinputstream to read from the socket The contents of bufferedinputstream are as follows: socketInput.…… -
Java – handling interruptedexception (error in Android?) while waiting for an exit signal
I've seen the following code, and I want to know if it's really what I think: synchronized(sObject) { mShouldExit …… -
Java – comparison of two empty objects of two different types
public void m1(Integer f) { public void m1(Integer f) { ... } public void m1(Float f) { ... } public void ma…… -
Stop the running process through the GUI in Java
I have a GUI program that executes TestNG automation scripts This means that users can easily configure certain settin…… -
Has java – Clone () really been used? How about defensive replication in getter / setter?
Do people almost always use defensive inhalers / installers? For me, 99% of the time I intend to take the object you s…… -
Java – hibernate named queries and their performance advantages?
As stated in the hibernate document, the purpose of named queries is to purge HQL from different locations in the proj…… -
Java – error: trying to call method ‘format’ on an empty context object
Spring-boot v1. four point one The following lines of code in my view: <td th:each = "sprint : ${sprints}" th:text …… -
Java and Net: Base64 conversion confusion
I'm converting text to Java (Android) and Net (Visual Basic) ASCII characters in simple (readable) form are converted …… -
Java – ANTLR independent input
I have a syntax file, boardfile G4 (only relevant parts): grammar Board; //Tokens GADGET : 'squareBumper' | 'circleBu…… -
Best practices for JavaDocs – interface, implementation, or both?
I have a Dao interface and Dao implementation JavaDocs in the interface is the content displayed by NetBeans to client…… -
Java’s httpurlconnection does not support report / propfind – what should I do?
Httpurlconnection only supports things like get, post and head - but there is no report / propfind I will implement a …… -
Java – deploy to Tomcat 7 ok but unable to access the application
I have a Java wicket application deployed using Jenkins CI – > Tomcat 7 on the server Everything seems to be fine u…… -
java – JPA / Hibernate Embedded id
I want to do something like that: >An object, reportingfile, can be a logrequest or logreport file (both have the s…… -
Java – play framework 2.3 – CORS title
Updated play 2.5 to provide a new CORS filter With the completion of the migration of the response class to promise cl…… -
JavaFX menu items display shortcuts on the right
Take the menu item in the edit menu in JavaFX scene builder as an example See how they display the shortcut on the rig…… -
Java – how to include JSP files from different projects in my project
How do I include JSP files from different projects in my project? <%@ include file="./common/webappfooter.jsp"%>…… -
Java – how to declare the return type of a method as the return type of the last lambda in the array passed to the method
I ask for something that I think is impossible. If so, I will delete the problem I have ways: public Object convertBy(…… -
Java – is it safe to lock multiple reentrantreadwritelocks in the same try block?
Suppose I have two key resources, Foo and bar I protected them with some reentrantreadwritelock reentrantreadwritelock…… -
Java – how to use mockmvc to pass the @ requestbody parameter of the controller
Parameters with @ requestparam annotation can use: Post ("/ **********************************************************…… -
Java – primefaces UI: duplicate does not work
I'm trying to create an accordionpanel in primefaces I'm trying to create it using the UI: repeat, so I can create pan…… -
Java – use MapReduce to find the average of numbers
I've been trying to write some code to find the average of numbers using MapReduce I try to use global counters to ach……