Java 归档 - Page 305 of 655

Java – play framework 2.4 does not accept “public static results” from controllers

I try to start the application using play framework 2.4 and JDK 8 in MAC when I use/ When the activator downloads the ……

Java

2020-02-21

Java – multiple dependency versions in gradle

I'm building a java project that uses gradle for version control I'm starting from the old version of drools rule engi……

Java

2020-02-21

Java – how to calculate the number of instances of a specific class in ArrayList?

I have an array list that looks like: [new Class1(),new Class2(),new Class1(),new Class1()] I want to know the most ef……

Java

2020-02-21

String. Is format (. Net) equivalent in Java?

. Net Format (maybe just VB. Net) converts {0}, {1},... To a determined string, for example: Dim St As String = "Test:……

Java

2020-02-21

Java – use org. Org apache. HTTP sends an HTTP post request with a soap operation

I'm using org apache. The HTTP API writes a hard - coded HTTP post request using soap operations import java.net.URI; ……

Java

2020-02-21

Java – hibernate batch deletion vs single deletion

Editor: according to some of my debugging and logging records, I think this problem comes down to why delete from tabl……

Java

2020-02-21

Java – description of this lambda expression

I'm creating a word comparison class that also counts the number of occurrences of words (this is Java) This is my ori……

Java

2020-02-20

Java – maven nattable cleaning installation failed

I tried to import and solve the developer project of nattable project, as described in their Getting Started tutorial ……

Java

2020-02-20

Java – wait for multiple swingworkers

Consider the following code snippet: import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.ev……

Java

2020-02-20

Is the swing repeat() method other than EDT in Java 7 still safe to use?

I know that even using swing's threading model, it was once considered safe to call repaint () and other methods from ……

Java

2020-02-20

Java – adding to HashMap takes a long time

In my java program, I have stopped for a few lines, which takes too much time (about 20 seconds), which seems strange ……

Java

2020-02-20

Processing asynchronous signals in multithreaded programs

The Linux programming interface book mentions a method of processing asynchronous signals in multithreaded programs: T……

Java

2020-02-20

Java – Jersey serialization / deserialization problem: abstract types can only be instantiated with other type information

I'm serializing and deserializing my jersey I used Jersey to create a rest channel on Weblogic I have result objects t……

Java

2020-02-20

Java – the correct way to automatically connect hibernate session in spring transaction JUnit test

This problem is similar to the previous one I tried to @ autowire a hibernate session in my spring JUnit transaction t……

Java

2020-02-20

Java – how do I update a map or list on the AWS dynamodb documentation API?

The new AWS dynamodb document API allows two new data types to directly correspond to the basic JSON representation: M……

Java

2020-02-20

Java – parses a 20 GB input file into an ArrayList

I need to sort 20 GB files (composed of random numbers) in ascending order, but I don't know which technology to use I……

Java

2020-02-20

Java – how to make izpack installer Jar file Exe file

I use izpack to install an installer It's here Jar file I think so Exe file for distribution What should I do? A simpl……

Java

2020-02-20

How to use list properties in Google App Engine data store in Java?

Objects placed in the data store will have a set of tags public class Model { List<String> tagList ... ……

Java

2020-02-20

Java – spring property placeholders do not work properly

I'm in stackoverflow I've seen similar problems on. Com, but no solution is helpful to me #possible values: dev test p……

Java

2020-02-20

Why are Java and C # different in oops?

1) Why are the following codes different C#： class Base { public void foo() { System.Console.WriteLine("base……

Java

2020-02-20

Java – modern for loop for raw arrays

Is there a performance difference between for loops on the original array? Undertake: double[] doubleArray = new doubl……

Java

2020-02-20

Java – naming convention for akka messages and actors

I am currently making a very large Java application based on akka. I have encountered several problems and I am not fi……

Java

2020-02-20

Java – ignore ‘file Result of mkdirs() ‘

This is mydir My code in mkdirs(); This code shows that I ignored file Result warning for mkdirs() I tried to fix this……

Java

2020-02-20

Java – how to add @ serialVersionUID to an anonymous class?

I want to translate the following code from Java to scala: Foo foo = new Foo() { private static final long serialVersi……

Java

2020-02-20

Java – how can an EJB client not find an EJB server without a URL?

I'm new to Java EE At present, I am passing the Java EE 6 tutorial Volume 1 (basic concept beta) of Sun Microsystems I……

Java

2020-02-20

Java – wildfly 8, remote debugging applications

I need to debug y nodes remotely in JBoss 8 / wildly cluster (running two nodes on one machine) For this, in our maste……

Java

2020-02-20

Java – Hibernate: how to use cascading in annotations?

How to use cascading and annotation in Hibernate? But I doubt: I have this situation: public class Package(){ @OneTo……

Java

2020-02-20

Java synchronization method with expensive parameters

I have a synchronization method that seems to "use" synchronization significantly longer than it should be It looks li……

Java

2020-02-20

Java – Solr cannot load MySQL JDBC Driver

I use Solr 4.6 on Mac 1. I try to find out how to load data from MySQL using data import But I couldn't load the jdbc ……

Java

2020-02-20

Java – operation is not allowed after the resultset is closed

Well, he has been trying to solve this problem for the past two days Statement statement = con.createStatement(); ……

Java

2020-02-20

Java – how to disable closing the keyboard if you press done on the keyboard

When the user presses "finish" on the soft keyboard, the keyboard closes I want it to be turned off only when certain ……

Java

2020-02-20

How to use CSS in JavaFX to animate?

I want to change the style of the node by changing its style class Button button = new Button(); button.getStyleClass(……

Java

2020-02-20

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Java – play framework 2.4 does not accept “public static results” from controllers

Java – multiple dependency versions in gradle

Java – how to calculate the number of instances of a specific class in ArrayList?

String. Is format (. Net) equivalent in Java?

Java – use org. Org apache. HTTP sends an HTTP post request with a soap operation

Java – hibernate batch deletion vs single deletion

Java – description of this lambda expression

Java – maven nattable cleaning installation failed

Java – wait for multiple swingworkers

Is the swing repeat() method other than EDT in Java 7 still safe to use?

Java – adding to HashMap takes a long time

Processing asynchronous signals in multithreaded programs

Java – Jersey serialization / deserialization problem: abstract types can only be instantiated with other type information

Java – the correct way to automatically connect hibernate session in spring transaction JUnit test

Java – how do I update a map or list on the AWS dynamodb documentation API?

Java – parses a 20 GB input file into an ArrayList

Java – how to make izpack installer Jar file Exe file

How to use list properties in Google App Engine data store in Java?

Java – spring property placeholders do not work properly

Why are Java and C # different in oops?

Java – modern for loop for raw arrays

Java – naming convention for akka messages and actors

Java – ignore ‘file Result of mkdirs() ‘

Java – how to add @ serialVersionUID to an anonymous class?

Java – how can an EJB client not find an EJB server without a URL?

Java – wildfly 8, remote debugging applications

Java – Hibernate: how to use cascading in annotations?

Java synchronization method with expensive parameters

Java – Solr cannot load MySQL JDBC Driver

Java – operation is not allowed after the resultset is closed

Java – how to disable closing the keyboard if you press done on the keyboard

How to use CSS in JavaFX to animate?

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