包含标签：Java 的文章
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Java – impact of transaction timeout EJB on threads
Questions about EJB: Suppose I have a session bean with infinite loops It runs under EJB transactions Now when the EJB…… -
How do I use jlists in JTable cells?
I want a simple way to put JList in the JTable column I already have jlists and tables, but when I put them into the t…… -
Java DOM XML file creation – there are no tabs or spaces in the output file
I've checked the post on stack overflow, but it doesn't seem to help What is this: // write the content into xml file …… -
Java – connect to multiple databases using different JDBC drivers
I need to write a daemon based java process (not web-based), which will connect to Oracle 10g database, read some data…… -
Java – from Mp3 or Wav file calculation frequency?
I'm trying to do some note recognition on MP3 or WAV files The question is: how to use FFT on files? I prefer Java sol…… -
Java – how to store objects from a database?
I am developing a Java application that will graphically depict and organize hundreds of objects Each of these objects…… -
Java: detect object name?
I'm playing a little game with an attacker and a defender Player Attacker = new Player(); Player Deffender = n…… -
Java – faster read () or read (byte, offset, length) InputStream
I am writing an application using socket InputStream for Android I tried to send files from my PC to Android in this w…… -
Java How to disable rounding in decimalformat
Can I disable rounding in decimalformat? For example: DecimalFormat f = new DecimalFormat(); f.parSEObject( “123456789…… -
Java – can JBoss seam be used on applications that are not web applications?
I mean, can seam be used in back-end applications that only provide functionality through remote EJBs or web services …… -
Java – type conversion required for function calls, with short data type variables as parameters
Whenever I use byte or short data types as method parameters, I need to explicitly convert the values I pass to these …… -
Java – ArrayLists using tuple (double, int, int) are slower than two ArrayLists
Is an ArrayList using tuple (double, int, int) slower than three separate ArrayLists? I want to avoid creating a large…… -
Java – add the difference between string literals and string objects
What is the difference between adding string literal and string object? for example String s1 ="hello"; String s2 …… -
Compare Java. Net in Java sql. The right way to time
Which method can compare time in Java? I mean Java sql. Time. Or is there a better way to compare joda time? Solution …… -
How the Java language works
I don't know Java very well, so I want to ask how this language works I mean not only "language", but also virtual mac…… -
Java – definition: unfinalized and finalizable objects
In order to understand weak references in Java, I have to refer to the Java language specification The following secti…… -
Java – add Export Wizard to eclipse RCP standalone application
Hello <extension id="exportScript" point="org.eclipse.ui.exportWizards"> <wizard class="c…… -
Java – where to put non-public classes?
Suppose I have a Java class A, which needs an auxiliary class B. This auxiliary class is only used in a and has no oth…… -
Java – how to check whether the user name exists in the database before submitting to create a user with Hibernate?
Hi, I have a simple login service. I use GWT, hibernate & HSQLDB Now I can create an account, but I need to add a …… -
Java – JSON deserialization problem
There is an array. When the size is 1, the JSON data I receive does not contain []; like {"firstname":"tom"} When the …… -
Java – how to organize OO design using two different types of users
I have two different types of users. I map them to two Java classes userwheel and usersea, which have a public abstrac…… -
Java – persistent httpurlconnections on Android
I have a problem trying to get an Android application using a persistent HTTP 1.1 connection (well, service, it's diff…… -
Java – many versions of JDK: how to specify which one to use?
I installed many versions of JDK: 1.4 2, 1.5 and 1.6 Solution Two solutions >Specify the full path in the command: …… -
Java – how to automatically resize JTree objects?
I try to make a JTree object dynamically resize when expanding nodes By default, the object area is constant, and when…… -
Java – increase the server / client buffer size in kryonet
How to increase the buffer size in the server / client constructor in kryonet? Solution Pass a value greater than the …… -
Get the string used in Java from JNI
java code The following is a part of the code I wrote in Java. You can see that this is a code named JC_ Verification…… -
Java regexp: which is faster: a series of simple or a complex?
I'm writing a program that has to delete quite a lot of garbage I use regular expressions, and because my program is q…… -
Java – how to avoid using getters and hard coding the UI?
I want to print a description of a soldier on the console, including the strength of the soldier and the weapon of the…… -
Java – how to specify / organize / clean up jar libraries in a project
When we develop a project, if we want to use struts or tiles or spring or anything else, we must import some JAF files…… -
How to use smack XMPP library to process TLS certificates in Java
Hi, everyone I have just started using XMPP in Java, including server and client XMPPServer server = new XMPPServer("l…… -
Java – the eclipse debugger jumps to the wrong return statement
I encountered a very strange situation I use Java (via eclipse Galileo) on the Android 2.1 platform to perform the fol…… -
PowerShell hash table problem
I tried to read a configuration file containing some key value pairs, as follows: age = 7 server = \\server\ destinati……