包含标签：Java 的文章
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Java – a data structure for saving the contents of the parsed CSV file
I'm trying to find the best way to parse CSV files in Java Now each line has x messages For example, the first line ca…… -
Java – add() in fragmenttransaction cannot be applied?
Could not be added to the fragment transaction due to the following error. How would you do this? add() in FragmentTra…… -
Java – jpaitemwriter: no transaction is in progress
I want to use jpaitemwriter to batch persist entities But when I use the following code to insist, I am told: Hibernat…… -
Java – use spring JSTL and spring form tags together
Can I mix JSTL and spring form tags in JSP pages of spring MVC applications? <form:form method="POST" action="<c…… -
In Java 8, how to reference a method without parameters and return void?
I have a bunch of methods with this signature: public void sideEffects() {...} public void foo() {...} public void bar…… -
Java – Error installing JDK
The following error occurred while installing JDK 1.7 on Windows 8 I downloaded the latest version of JDK from Oracle …… -
Java – how to prevent JComponent cleanup?
I'm making a molecular design application I can draw lines and circles, but it clears the old lines every time I click…… -
Java – why is the URL not fully decoded?
I'm writing a java program. My URL needs to be decoded. I'm using it URLDecoder.decode(url,"UTF-8") How to implement i…… -
Java – set block data from schematic in bukkit?
I tried to load and paste in bukkit Schematic file (not linked to mcedit API) Here are the functions / methods I use t…… -
Java – AdMob doesn’t work because (I think) Google playback service
I'm trying how to advertise an AdMob banner for at least 6 hours 01-21 18:59:26.768: I/Ads(26882): Use AdRequest.Build…… -
Java – count of string objects created
I'm reading the certificate and I'm having a confusing problem here The book says that this line of code creates only …… -
Java / refactoring switch case
I tried to reconstruct the next case: class Gen{ public void startClick(A a,B b,List<C> lstC,SortX sort){ …… -
Java – why does log4j completely record everything in debug?
So I have a problem. When I switch the root logger to debug, log4j seems to want to record everything that can be "deb…… -
RX Java operator; Encapsulate data streams into custom operators
Let's say I'm observing an observer in a very specific way resultObservable = anotherObservable.filter(~Filter code~).…… -
Fork / join Java EE applications?
I know that separating threads is a big taboo in Java EE applications However, I have an application that is a perfect…… -
Is it a Java RMI remote object (server) singleton?
I've been using Java RMI for some time, but I can't figure out whether RMI remote stubs (on the server side) is a sing…… -
java. sql. Sqlexception: user ‘admin’ login failed
Disclaimer: I have never used SQL server before I'm trying to connect to SQL Server Express using java code public cla…… -
Java – why does shadow affect ‘final’ behavior?
Here are three sscces. I think they should be compiled and behave the same The only thing I want to change is the firs…… -
Java – invalid default value for field warning message from Avro?
I have an Avro architecture like this, where I will be is_ userid_ I want to set the default value to false, so I prop…… -
java – `String. What is the difference between class’ and ‘new class [] {string. Class}’?
I'm new to Java I have a question as follows: class MyClass { public MyClass(String s){} } MyClass MyObject; Con…… -
Java – multiple phrases in a pdfpcell
I want to add multiple phrases to a pdfpcell So, do this anyway? Please help. The code is like, PdfPCell cell = new Pd…… -
Java – how to crack this synchronization code?
I have the following code snippet synchronized (mObject) { if (mObject.variable != -1) { doThis(); …… -
Java – how to crack this synchronization code?
I have the following code snippet synchronized (mObject) { if (mObject.variable != -1) { doThis(); …… -
Java – how to change the chart generated by Apache POI to not use smooth lines and display empty cells as gaps?
I use poi 3.12-beta 1, and the code can create a line chart containing multiple data sets and named Series in the lege…… -
Java – implement a nondeterministic finite automata (NFA)
I am trying to develop a simulation of non - deterministic finite automata in Java The first command - line argument i…… -
Mouseevent – get mouse from a node_ After the pressed event, the mouse event cannot be obtained from any other JavaFX 8 node
I'm creating a rich text component that contains the selection function of JavaFX projects and face some difficulties …… -
Java – using interfaces on the service layer
In our project architecture, we use the classic MVC pattern, including the classic service layer (open transaction and…… -
Cannot find the type: Java Lang. Long’s verifier Post ID
What's wrong with my plan? I received an error HTTP Status 500 - Request processing Failed; nested exception is javax.…… -
Java – Amazon – MWS: differences between reports and order lists
I'm trying to integrate Amazon mall orders into our system I did it with Magento before and thought it should be easy,…… -
Java – Android tells me that my bitmap has been recycled before I actually recycle it
I get my bitmap from XML: //Get bitmap from drawable bd = (BitmapDrawable) view.getResources().getDrawable(R.drawable.…… -
Data structure – hash table – implemented using binary search tree
From cracking the code interview, page 71: I know the basics of linked list, hash table and BST, but I can't understan…… -
Java – checkstyle reports a localfinalvariablenamecheck error for the catch exception parameter
I have a strange question, I'm not sure if it's a problem between the two ears or a checkstyle one LocalFinalVariableN……