包含标签：Java 的文章
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Java – use gson to modify JSON instead of POJO
I want to modify a JSON content without converting it to POJO I am using gson library The following are use cases: Str…… -
Java – collect all values of the set field
I have a collection with a field type of set with some values I need to create a new set that collects all these value…… -
Java – combines immutablelist and varargs of guava
I want to create a constructor that will use one or more integers and save it as a field immutablelist According to Bl…… -
Java – DBCP: removeabandoned vs evicted
I didn't figure out the difference between removeabandoned and deported I read somewhere that removeabandoned has been…… -
. Net – tracks changes in complex object graphs
I started thinking about tracking changes in complex object graphs in disconnected applications I've found several sol…… -
Java – query two related tables (joins)
This is the first table in hive – it contains information about the items we are buying CREATE EXTERNAL TABLE IF NOT E…… -
Function objects in Java
I want to implement a JavaScript method in Java. Is this possible? Say, I have a person class: public class Person { …… -
Java – why do I need to add artifact jsr305 to use guava 14?
When looking up the information of stack overflow, I saw a question similar to mine, but there was no real answer here…… -
Scrolling using selenium webdriver in Java
I'm using selenium webdriver to automate browser testing My browser header is floating and always exists regardless of…… -
Java – best practices for code modification during ant build
Admittedly, this doesn't sound like a best practice, but let me explain During the build, we need to paste the build n…… -
Java – click and slide to the next segment with a button
Look at the code below FirstView. java import android.content.Intent; import android.os.Bundle; import android.support…… -
Java – unexpected result in long / int partition
I have such value: long millis = 11400000; int consta = 86400000; double res = millis/consta; The question is: why is …… -
Java invention interface?
I know that C is a pure virtual class, but Java goes further and creates a first-class (no pun) concept for multi inte…… -
Java – if we have the original list, why can we change the non modifiable list?
By looking at the code of the collections class, I know that when we use the method unmodifiablelist (list list) or un…… -
How to avoid sending Java requests from the Java Web server to itself?
The reality is that the Java Web server (Weblogic) receives requests from users and must send a zip archive in respons…… -
Java — debug the annotation processor in Eclipse
I'm writing a simple annotation processor and trying to debug using eclipse I created a new project for annotation pro…… -
Java – parses the contents of an XML file without knowing the XML file structure
I have been using java to learn some new techniques to parse files, and I have been working hard on the part of msot H…… -
Java – how to build dynamic URLs in spring MVC
I tried to send a URL that I would generate based on some dynamic values But I don't want to hard code it, nor do I wa…… -
Java statistics package [closed]
I'm searching for Java modules. I can run various statistical tests in my program So far, I've found http://commons.ap…… -
Java direct memory: using sun. Com in custom classes misc. Cleaner
In Java, the memory allocated by NiO direct buffer is the same as sun misc. Cleaner instances are released together, a…… -
Are Java bytes the same as c# bytes?
If the input parameter is an array of byte byte [], the native method in DLL will run in Java Is that because byte [] …… -
If so, what is the relationship between enum and enumeration
I want to know if the formal connection between enumeration interface and enum construct in Java is what? Solution No,…… -
Escaping JavaScript strings in Java
I need to turn it into a string in Java: <script type="text/javascript">document.write("<img src=\"UpArrow.pn…… -
Java – is there a simple way to concatenate several lines of text into a string without constantly adding line breaks?
So I basically need to do this: String text = "line1\n"; text += "line2\n"; text += "line3\n"; useString( text ); Ther…… -
The H2 console cannot see the tables created by Java
I from http://www.h2database.com/html/download.html H2 console downloaded I use the same URL in the file to connect to…… -
Java – set ehcache replication – what multicast settings are required?
I am trying to set up ehcache replication as follows: http://ehcache.sourceforge.net/EhcacheUserGuide.html#id.s22.2 Se…… -
How to determine whether the obtained Java resultset is empty?
Class.forName("org.sqlite.JDBC"); Class.forName("org.sqlite.JDBC"); Connection conn = DriverManager.getConnection(…… -
Java – Tomcat auto shutdown
I use Apache and Tomcat on the windows server. Since this morning, Tomcat has stopped working without any logs It does…… -
Java – how does caching work in jax-rs?
Suppose I use the @ get method to make the following web service calls: @GET @Path(value = "/user/{id}") @Produces(Med…… -
Java – use scl010 to obtain the uid of Mifare Ultralight
I want to get the uid of Mifare ultralight NFC tag TerminalFactory factory = TerminalFactory.getDefault(); List<Car…… -
Java – polymorphism and constructors
I'm a java student. I'm taking an exam When I encounter this problem, I don't understand the answer: Consider the foll…… -
Java – how to use hibernate Properties file instead of hibernate cfg. xml
I'm trying to connect to a DB in a servlet using hibernate I have read that we can use hibernate cfg. XML or hibernate……