包含标签：Java 的文章
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Java iteration on a keyset
I have the following java code: public void myMethod (final Map pFeatureGroupsFromPackage) { final Set<String&g…… -
Java – weighted fast joint path compression algorithm
There is a "weighted fast joint path compression" algorithm code: public class WeightedQU { private int[] id; …… -
Java – get exception ora-00942: table or view does not exist – when inserting an existing table
When trying to insert a batch of rows into an existing table, I am getting the following exception I can confirm that …… -
What is the difference between the Java – OSGi service tracker and the declarative service?
I'm working on OSGi services now. I have a question about using services in OSGi There are some different ways to regi…… -
Java – how do you skip the JRE code when debugging in Eclipse?
When I debug in Eclipse, I enter (F5) a statement as follows. encryptedBytes = LightWeightEncryptor.encrypt(messageByt…… -
JPA – missing descriptor for the native query result of eclipse link POJO – [class]
I use eclipse link to run some native SQL I need to return the data to POJO I followed the instructions of eclipse lin…… -
Java – how to get the activity editor in the Eclipse Plug-in?
In my eclipse plug - in, I need to know if the editor visible on the screen has changed I'm getting the following acti…… -
Align text with java graphics 2D
Can anyone tell me how to find text in Java 2D? This is the code that draws a list of naturally aligned text Font yFon…… -
Java – is Google Guice active?
It hasn't been released for a year, even without small mistakes Commitment to the repository is uncommon and has not b…… -
Java – random can be obtained from the distribution of different mean and standard deviation Nextgaussian() sample value?
This is a combination of Java and basic mathematical problems From random The documentation of nextgaussian () shows t…… -
Java – how to attach written data to a file?
I'm Android I's new developer wants to write some files. I've used a method to write files, as shown below public void…… -
Java – the custom Jackson httpmessageconverter is no longer applicable to spring 4.2
I'm starting from spring platform version 1.1 3. Release update the application to 2.0 1. Release, which changes the S…… -
What is the range of variables declared in static blocks in Java?
Can variables declared within static blocks be accessed elsewhere? Solution Usually, programmers do not need to declar…… -
Java – the same method in the interface and abstract classes
I came to the situation: public interface Intr { public void m1(); } public abstract class Abs { public void …… -
Operating legacy MDB with Java 8 (access 2.0)
Java 8 no longer supports JDBC - ODBC bridges Is there a way to access old MDB files without a bridge in Java 8? Accor…… -
Using JPA in WebSphere to select all rows from the database
I try to implement a web service that uses open JPA to access the data layer I use WebSphere v7.0 0 and JPA 2.0 This s…… -
Java synchronization is based on parameters
I am looking for a way to synchronize the method based on the received parameters, as follows: public synchronized voi…… -
Can I remove generic type parameters from object constructors in Java?
In Java, you must write: Pair<String,String> pair = new Pair<String,String>("one","two"); It would be nice…… -
Java – using the interactive console (debug view) in eclipse
Some threads [1] ask how to use the interactive console in eclipse because you cannot enter anything in this console I…… -
How can GDB be used to debug Java programs?
When GDB is used for Java debugging: >What is its practical use? > What are its limitations? > How does it co…… -
Java – how do I get an object / class to tell me which jar file it comes from
In eclipse, an impossible class is being loaded In debug mode, I can pause it and see the call to class A.B.C, but cla…… -
Implement the automatic update function of JavaFX application
I want to write a new cross platform application. I chose JavaFX mainly because of its rich UI Library (standard and t…… -
Java – inline class definition
I've seen several similar examples in Java, and I hope someone can explain what happened It seems strange to me that a…… -
Java – how to monitor c3p0 connections
I used hibernate in the JBoss war and c3p0 for connection pool. They are all in a hibernate in my classpath cfg. Confi…… -
Java – why does a program compile for me, but not for another person?
My code is as follows. It's good for me, but my professor said he was receiving an error because few variables in my c…… -
Java – how do I know if I press shift?
In my game, I hope to use the left and right shift keys for different functions In Java (or another language), is ther…… -
Java – algorithm for generating random numbers of Size X
In my mobile application, I must provide users with a random and unique x alphanumeric code so that users can reply wi…… -
Java – how do I stop the task in the scheduledthreadpoolexecutor once I think it is complete
I have a scheduledthreadpoolexecutor, and I schedule tasks to run at a fixed rate I want the task to run with the spec…… -
Why is there a warning in this Java generic method definition?
I noticed that if I use generic method signature to complete something similar to the return type of common type, it w…… -
Java – mockito: when method A.A is called, then execute B.B
I'm using mockito for JUnit testing class A{ public A(){} public final String a(String x){ return "A…… -
Java Swing animation looks messy How to make it look pro?
Update: semiconplex animation swing timer = trainwreck The ultimate source of the problem is the Java timer, both swin……