Java 归档 - Page 502 of 655

Java – who defines state transitions in state patterns?

I understand that the state pattern can be used to simulate objects that change behavior according to States and vario……

Java

2019-07-10

Java – how to use hibernate to insert data as soon as possible

I read the file and create an object from it and store it in the PostgreSQL database My file has 100000 files. I read ……

Java

2019-07-10

Using JavaFX application. On the shutdown hook Stop() method

So I use shutdown hooks for cleaning, because it does not always guarantee the execution of the shutdown hooks thread.……

Java

2019-07-10

Java – softreference collects garbage too early

I am implementing a caching mechanism for my Android application@ H_ 404_ 2 @ I use softreference, just like many exam……

Java

2019-07-10

Java – sets the ideal size of the thread pool

See English answers > performance issues with newfixedthreadpool vs newsinglethreadexecutior1 newSingleThreadExecut……

Java

2019-07-10

JavaFX in enterprise web applications – a good alternative to traditional web pages?

We have developed several web applications for different customers, from a simple and boring crud style GUI to a favor……

Java

2019-07-10

Reading HTML files into DOM trees using java

Is there a parser / library that can read HTML documents into DOM trees using Java? I want to use the standard DOM / X……

Java

2019-07-10

Java – where to call public static void main?

I just want to know where our main methods are called Solution It is specified in the Java language specification, 12.……

Java

2019-07-10

Java – what is the best practice when implementing equals () with entities that generate IDS?

If I have a table a, B, C, D Now, if I'm going to create a business object based on this table (for example, in Java),……

Java

2019-07-10

Java – weave yourself into a corner

We have a set of classes derived from a set of common interfaces IFoo-> BasicFoo,ReverseFoo,ForwardFoo IBar -> U……

Java

2019-07-10

Java – can I register a receiver in a test case?

I want to test whether the alarm programmed with AlarmManager is triggered in the unit test. If so, it will be trigger……

Java

2019-07-10

Java – how to call super (…) and this (…) in the case of overloaded constructors?

I never needed to do this before, but since both must be the "first line" in the constructor, what should I do with it……

Java

2019-07-10

java – Cron Job in play framework 2.0

How to schedule tasks in play framework 2.0 through cron expressions? Equivalent to @ on ("< enter cron expression ……

Java

2019-07-10

Java – the usual hibernate performance trap

We have just finished configuring our application She's starting to slow down This is a legacy mapping Who works, do t……

Java

2019-07-10

Do a “memory dump” Java application?

I have Java applications that unfortunately start consuming considerable memory after a period of time To complicate t……

Java

2019-07-10

Java – where do I sort?

I have a database, I query, I don't know where to perform the sorting of results, so far, I have the following options……

Java

2019-07-10

Java – an instance of an abstract class

See English answer > interview: can we instantiate abstract class? 15 public abstract class AbstractClassCreationTe……

Java

2019-07-09

How to pronounce “J2EE” or “Java EE”

For all those J2EE / Java EE developers, when talking to people in the real world, you will say or or or Or something ……

Java

2019-07-09

Java – how to implement concurrent HashMap using the functions in LinkedHashMap?

I have used LinkedHashMap and accessorder true, and allow up to 500 entries to be used as LRU cache of data at any tim……

Java

2019-07-09

Java – jmockit failed through agentinitializationexception: the agent jar was loaded but the agent failed to initialize

I'm developing a plug - in for eclipse Kepler Adding @ runwith (jmockit. Class) to my test class will cause the follow……

Java

2019-07-09

Java – firebase cannot find the property serialized with the object in publishing mode

I wrote a method to push real-time location data to firebase: private void writeNewMarker(int sessionType,String myUui……

Java

2019-07-09

Java – the best way to avoid duplicate code if two classes extend different classes

I'm developing an Android project and I'm facing this situation I have two classes: class A extends B { openDoor(){ /……

Java

2019-07-09

Java – cannot use multiple ebean databases in play 2

We are using play framework 2.0 3 set up a slightly complex project We need to access several databases (pre-existing)……

Java

2019-07-09

Java – view the cache of headers and footers in the list view

You can add a list view to a header and footer view Cache these views? edit Consider a layout of such content (essenti……

Java

2019-07-09

Should I use playback framework or normal Java EE

I plan to launch a website that I will use commercially I've heard of the play framework recently. It looks good But I……

Java

2019-07-09

Java instantiation

>When an object is instantiated in Java, what really enters memory? I understand the usual Abstract explanation for……

Java

2019-07-09

Java – spring boot swagger custom swagger UI html

I encountered a problem migrating the war application to the spring boot jar application I am using spring boot 1.4 1 ……

Java

2019-07-09

Calculate the distance between two vectors of different lengths

There are different ways to calculate the distance between two vectors of the same length: Euclid, Manhattan, Hamming ……

Java

2019-07-09

Java – change the child order of SWT composite

In my case, I have two sashform children, but the problem applies to all composites class MainWindow { Sashform sa……

Java

2019-07-09

Should spring management be “everything” in Java – spring applications?

We are developing a new application and we want to use spring (University project!) When writing a new spring applicat……

Java

2019-07-09

Java execution process – Rewriting methods execute first than constructors

I have the following code in the same java file import javax.swing.SwingUtilities; import java.io.File; public class ……

Java

2019-07-09

Java – where does velocity search for templates?

I need to use velocity from Java code in my web application (I use it as a mail template processor) So I have a standa……

Java

2019-07-09

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Java – who defines state transitions in state patterns?

Java – how to use hibernate to insert data as soon as possible

Using JavaFX application. On the shutdown hook Stop() method

Java – softreference collects garbage too early

Java – sets the ideal size of the thread pool

JavaFX in enterprise web applications – a good alternative to traditional web pages?

Reading HTML files into DOM trees using java

Java – where to call public static void main?

Java – what is the best practice when implementing equals () with entities that generate IDS?

Java – weave yourself into a corner

Java – can I register a receiver in a test case?

Java – how to call super (…) and this (…) in the case of overloaded constructors?

java – Cron Job in play framework 2.0

Java – the usual hibernate performance trap

Do a “memory dump” Java application?

Java – where do I sort?

Java – an instance of an abstract class

How to pronounce “J2EE” or “Java EE”

Java – how to implement concurrent HashMap using the functions in LinkedHashMap?

Java – jmockit failed through agentinitializationexception: the agent jar was loaded but the agent failed to initialize

Java – firebase cannot find the property serialized with the object in publishing mode

Java – the best way to avoid duplicate code if two classes extend different classes

Java – cannot use multiple ebean databases in play 2

Java – view the cache of headers and footers in the list view

Should I use playback framework or normal Java EE

Java instantiation

Java – spring boot swagger custom swagger UI html

Calculate the distance between two vectors of different lengths

Java – change the child order of SWT composite

Should spring management be “everything” in Java – spring applications?

Java execution process – Rewriting methods execute first than constructors

Java – where does velocity search for templates?

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