包含标签：Java 的文章
-
Java – ant build in eclipse failed
After Google search, I used ant to build the jar file of my project and found out how I did it. I mentioned this ink H…… -
Java – Test merge in merge sort
Is there any edge condition or general condition that I need to test this function The only thing I can think of is th…… -
How to confirm a message in message driven beans
In the JMS document, I read that message driven beans do not support client_ Acknowledge mode, only supports dups_ OK_…… -
Java – how byte data types are used to hold memory in large arrays
I see this in the Java documentation My question is how do byte data types store memory in large arrays I'm confused a…… -
Java – ant: what is the easiest way to add a version number to a build jar?
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?> <project name="myPlugin" …… -
Setfocusable method or focusing components Java
I encountered this Code: public class Board extends JPanel implements ActionListener{ public Board(){ setFo…… -
Java – wrong data type – Generic
In the following java code: import java.util.*; public class TestGenericMethod { public static <E> void ArrayT…… -
Java – used in spring Properties without using XML configuration
I found one in the article on using java based configuration and x000 in spring Properties file The illustrations are …… -
Java – run a specific class main function from a jar file Import doesn’t seem to work
I have a jar file that does not specify its main class in the manifest How to run a class from Jar which is not the Ma…… -
What are the different ways to transform XML using Java?
I'm studying how to convert XML from one format to another in a java project What are the alternatives and what are th…… -
Java – unmarshalling with multiple namespaces
So, suppose I have several namespaces of XML <Envelope xmlns:pdi="http://www.mypage.com/schemas/pdi" xmlns:ib="http…… -
Java – please explain why 24,16,8 is used to convert ints to bytes?
The following code is to convert int to bytes array private static byte[] intToBytes(int i) // split integer i into …… -
In Java, all instances of person are linked to an object
I'm currently writing a program, but I found a problem The problem is that in the following loop, all instances of the…… -
Java – logback creates a log file in a folder named the current date
In my current project, I want the date to create a log file, that is, the log file should reside in it The current app…… -
Java – how to find which Maven dependencies are missing
I have a web project and a POM XML file It has enough dependencies to compile and package, but not enough to start the…… -
Java – use wildcards to search in the string collection
I have a HashMap < integer, string > I tried the following code to query the map and return all possible values …… -
Java inaccessible wsdlexception when accessing WSDL through client stub
I'm trying to write a custom java client for exchange web services Exception in thread "main" com.sun.xml.internal.ws.…… -
Java – the watershed in opencv Android
I try to implement the watershed function of OpenCV on Android But my program always crashes where the watershed funct…… -
Java – parse string date and time zone Eest EET
Parse the complete date toString(); @ H_ 502_ 7@ private final DateFormat dfFull = new SimpleDateFormat("EEE MMM dd HH…… -
Java collection is used for special scrolling and looping queues
I'm looking for something similar to concurrentlinkedqueue, but I have the following behavior: >When I view the () …… -
Java – JPA: even if the getter method is used, it will not load or delay loading I hope so?
Can you briefly explain what the following phrase means: My question is: >Does this mean that lazy may not be loade…… -
Java – cannot cast to application using getapplication method
I have a class app that contains the context of my application App app = (App) getApplication(); import android.app.Ap…… -
Java – this app won’t work unless you update the Google play service
I've been trying to get Google Maps on Android V2 to work My list: (I tried to use the debug and release keys) <?xm…… -
Java – get the maxinactivitinterval value in the JSP page
I'm trying to refresh the page when the session has timedout I added this to my < head > HTML section: <Meta …… -
Java – should I use throws when using throw?
My method has a return type that throws a NullPointerException public class Student { public String studentOne() {…… -
Prevent runtime method overrides in Java
>Class a method X () I want to create a class lib that will extend the activity class and override the methods (and…… -
Java – Apache POI xlsx read, cell with # value – wrong unexpected cell type (5)
Can you solve this problem? I need to read each cell as a string value In this case, I use Apache POI lib And ways to …… -
How to evaluate a list in the Java equation of two objects
I have an ArrayList. I want to use the contains (thing o) method to check the equality of the two objects. I override …… -
Java for each loop
I'm working on a task when I accidentally make a mistake, but the code executes and provides the correct result I was …… -
JavaFX – setbuttoncell for combobox
I have a problem I can't solve I want to implement the progress bar into a combo box: public class JavaFXApplication4 …… -
The DB2 Java stored procedure call returned an error sqlcode = – 440, sqlstate = 42884
I am making a simple stored procedure call to DB2 Although it calls the stored procedure, it always returns this error…… -
Java – how to add a method to a source file without editing the source file?
I'm trying to add a method to the minecraft source file, but I have to figure out how to do it without actually editin……