包含标签：Java 的文章
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Use Java (JSON) to read the values of nested keys in JSON
I am a new Java programmer with Python background I have weather data being collected / returned in JSON, which contai…… -
What’s the difference between Java – jolokia & jmxtrans? When to choose one?
I am looking for a JMX query tool I met jolokia & jmxtrans, both of which support JSON - based queries Jmxtrans ha…… -
Java, setting ID for JButton
Set the ID for JButton anyway. I'm used to Android I am looking for the following: newButton.setId(objectcounter); Sol…… -
Java – synchronize on values, not objects
I want to do this in Java public void giveMoney(String userId,int money) { synchronized (userId) { Profil…… -
In computing Java util. Description of constants used when hashcode value of hash
Someone can explain the meaning of these constants, why choose them? static int hash(int h) { // This function…… -
Java – how to programmatically register JSF managed beans?
I want to programmatically register / add the managed bean class to the application scope (from servlet init()) Soluti…… -
Java – findviewbyid() returns that the symbol cannot be found, but is the ID defined in the layout?
I'm learning some Android application development myself. I'm focusing on a video tutorial on how to create a simple t…… -
Java – dependency injection is condition based
I'm using Google Guice for dependency injection Suppose I have the following points: public interface Payment { pu…… -
Java – explicit zeroing
Under what circumstances, Java is explicit and nulling is useful Does it help the garbage collector in any way by maki…… -
Java – embedded terminal and normal shutdown
I've dug into the jetty documentation and tried to figure out how to properly configure the embedded jetty to close gr…… -
Languages supported by Java scriptengine
Java has a scriptengine system that allows you to run / evaluate statements in different languages Solution ECMAScript…… -
Java – how do I clear strings?
In the program I am writing, the text field must display some text at some time output.setText( outputString ); output…… -
Java – how do I click on a hidden element in selenium webdriver?
I have a grid showing some records When I click on a record and check the element, it shows that it is hidden, but it …… -
. Net – send messages from server-side applications to clients?
I have a JavaScript - based client that is currently polling for new content Net web services Although polling works..…… -
String to binary output in Java
I want to get binary (011001..) from a string, But I get [b @ addbf1, there must be a simple conversion, but I can't s…… -
Java – use JetBrains ides to find text in the decompiled jar file
I like JetBrains IntelliJ (if you like). My project is built with gradle of my company namespace and some external Jav…… -
Java – whether custom objects are passed by value or by reference in fragments and activities
Hello, Java and Android experts I have a problem. I have a room_ Class of structure, which implements serializable Thi…… -
How to read a file into a Java bitmap?
I know how to read bitmap files into a byte array So how to convert a byte array to a Java bitmap? Solution If you alr…… -
Java – use ‘${spring. Version}’
When I use: <dependency> <groupId>org.springframework</groupId> <artifactId>sp…… -
Java – what is the best practice for using “this” in classes in OOP?
What I've been thinking about is the preferred course in which you can use 'this [name]' or a simple [name] reference …… -
Java – email client library [closed]
I'm looking for a library that encapsulates the JavaMail API on the receiving end in the same way that common email ha…… -
Java – best used: action vs actionlistener?
Myself, I always use actionlistener as a swing event handler (such as button click), which is the most common listener…… -
Use java to store user name / password on MAC
I am writing a small program (a twitter client) for Mac OS X in Java As part of its functionality, it needs a place to…… -
Java – grab the tagged instagram photos in real time
I'm trying to download photos with specific tags I found the real-time API rather useless, so I used a long polling st…… -
Java – birt in desktop applications
Someone used birt report in desktop application I come from. Net environment, you can use crystal reports to display r…… -
Best practice: capture Java net. Failure point in URL
New features of JVM using Scala and play 2.0 I convert the legacy application to play through authorize Net for paymen…… -
Restful web development using Java EE 6 – what are the options?
I'm trying to find the best choice for developing restful web applications using Java EE 6 For example, I would like t…… -
Java – how do I use the Internet time server to get time?
I want GMT [Greenwich mean time], and I don't want to rely on my system date and time Basically, I want to use a time …… -
Java – refactoring static methods into instance methods in eclipse
How can I refactor class Plugh { static void foo(Bar bar); } become class Bar { void foo(); } Using eclipse? I…… -
Java ignores certificate validation
I'm trying to create some sample Java projects that connect to a self - signed HTTPS server I can't seem to stop Java …… -
Java – how to change jooptionpane Default text for buttons in showinputdialog
I want to be in joptionpane Set the text of OK and Cancel buttons in showinputdialog There is a way to change joptionp…… -
How do I set up findbug for Java 8 projects with graduates?
I have a Java 8 project built using graduation 1.12, which is perfect Now I want to use findbugs because I use Java 8 ……