Java
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How to focus items in a Java combo box
Is there a way to center the items in the combo box in Java? I tried this, but it didn't work: myCombo@R_793_2419@.set…… -
What is the shortest way to delegate an unimplemented method to an object contained in Java? [waiting for answer]
I include the primary object (with most functions) in helpers, which will provide a convenient method I have only one …… -
Java – how to use reflection to call methods with parameters?
This is my lesson: public class A{ private void doIt(int[] X,int[] Y){ //change the values in X and Y }…… -
Java – why is “t instanceof T” not allowed, where t is a type parameter and t is a variable?
Eclipse indicates that the instanceof operation is not allowed for the type parameter due to the generic eraser I agre…… -
Java – call the ColdFusion function on another server?
I have a Java class that must be run, and my current web host (share) will not allow Java I need to host it on another…… -
Java – what is the difference between JPA project and EJB project in eclipse?
Which one is used? When I want JSF stateless bean JPA entity application, do I need to integrate EJB project and dynam…… -
Java – how to place log files in the user’s home directory in a portable manner in logback?
I want to put the log file in the user's home directory How do I do it in a portable way, i.e. working on windows, Lin…… -
Java linked list that supports rapid deletion of any node?
java. util. LinkedList does not allow you to quickly delete a given object in the list The remove (object) method perf…… -
Java – is generic programming an example of polymorphism?
I'm doing a homework (a project) and one of the criteria is that I must take advantage of polymorphism in a way that s…… -
If Java does not have a preprocessor, what is “import”
This article is in 2.2 1 says that there are no more typedef, definitions or preprocessor In C, include is part of the…… -
Why user Do dir system properties work in Java?
Almost every article I've read tells me that you can't create chdir in Java Accepting the answer to this question mean…… -
Java 8 function constructor from templated object
I am using eclipse Luna service release 2 (4.4.2), Java 8 U51 I'm trying to create a method that will create an instan…… -
Package Java nio. File does not exist
I'm studying how to compile Java. Java from the command line This is what I got: This is what I got: /myjava/compile.c…… -
When Java TimerTask is scheduled in the timer, has it been executed?
I want to clarify about TimerTask When you have the following code: timer.schedule(task,60000); The task is scheduled …… -
Java – jaxp API that is not valid when unmarshalling JAXB
I have a JAXB object that I can ungroup very well However, if I add an element [] field annotated with @ xmlanyelement…… -
Java – how to create a modal jdialog over another modal jdialog
I have a mode setting dialog that is a jdialog In this setup window, I put some components (including a button) into a…… -
Java simpledateformat interprets the parsed string as UTC
My time zone is GMT 1 Therefore, the "date" object and "22.09.1985 00:00 UTC" print "Sun SEP 22 01:00:00 CEST 1985" on…… -
Java get download progress
I'm writing Java applications (using NetBeans as IDE and JFrame forms), part of which is downloading files How do I up…… -
Java – capitalize the first word in a string with multiple sentences
For example: String s = "this is a.line. Over" Should come out "This is a.line is. Over" I thought about using string …… -
Is there a zero time start (no recompilation) switchable condition flag in Java?
I'm looking for a way to provide the fastest possible on / off flag for if conditions (I mean zero time - compile / cl…… -
Java – dynamodb global secondary index with exclusive startup key
Can I specify an exclusive startup key when querying dynamodb table through global secondary index? I am using AWS Jav…… -
Java – how to exclude object properties in GWT from serialization?
Is there any way to exclude the original and object properties in serializable objects from GWT serialization? public …… -
How do I get the difference between two Java maps?
I have two maps as follows: Map<String,Record> sourceRecords; Map<String,Record> targetRecords; I want eve…… -
Java based web framework alternatives
I tried to choose a Java based web framework to start a new project, so far I have a little troublesome decision I hav…… -
Minimal java8 NiO secure websocket client (WSS)
It took me a long time to find a simple java websocket client that can use WSS without mess I tried https://github.com…… -
Java – extract data from PDF417, such as driver licenses
I have an android app and I'm scanning PDF417 barcode images After scanning the bar code, I got the following results …… -
Compare hashmaps in Java
I have two hashmaps: foo & bar HashMap foo is a superset of HashMap bar How to find out the missing "key" in HashM…… -
Java – place nested classes in a separate file
I have a nested class file, but it becomes long enough to be unreadable Is there any way to decompose nested classes i…… -
Android application splash instance
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Java lists all processes currently running under windows
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Java uses jnotify to monitor directory changes
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
How Android judges root
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao……