包含标签：Java 的文章
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What’s the difference between Java’s equals () and C’s operator = =?
When a question regulating the use of typeID is C, I suggest it can be used to compare types in objects I don't see it…… -
Java – does explicit locking automatically provide memory visibility?
Example code: class Sample{ private int v; public void setV(){ Lock a=new Lock(); a.lock(); …… -
Java – using maven, OSGi, and bndtools
Today, I was asked that using Maven in our current OSGi application is a good idea We use bndtools and it's great beca…… -
How do I check the number of threads currently running in Java?
I'm looking for a way to see how many threads are currently running >First > programmatically via windows Soluti…… -
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 – 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 …… -
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 – 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 – sets the ideal size of the thread pool
See English answers > performance issues with newfixedthreadpool vs newsinglethreadexecutior1 newSingleThreadExecut…… -
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…… -
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 – 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 – 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 – 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 – 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 – 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…… -
What are the security implications of deserializing untrusted data in Java?
Can I safely deserialize untrusted data if my code has no assumptions about the state or class of the deserialized obj…… -
Java – how to reschedule tasks using scheduledexecutorservice?
I saw this in Java docs: scheduledatfixedrate I don't want this to happen in my application Even if I see an exception…… -
Java – why is setname in the thread class assigned to a character array? Why not a string?
When I deal with the thread concept in Java, I have seen thread Java source file I noticed that the setname () method …… -
Java – which eclipse files are excluded from subversion repo
As a development team, we always like subversion and solar eclipse. We checked everything and everything was fine Unti…… -
Java – addfirst method of arraydeque class
java. util. The code for the addfirst method in the arraydeque class is public void addFirst(E e) { if (e == null)…… -
Java – an instance of an abstract class
See English answer > interview: can we instantiate abstract class? 15 public abstract class AbstractClassCreationTe…… -
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 – 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 – 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 – 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 – 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 – 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 – 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…… -
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 instantiation
>When an object is instantiated in Java, what really enters memory? I understand the usual Abstract explanation for…… -
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 ……