包含标签：Java 的文章
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Java – serialize POJOs using gson
I use gson to serialize POJOs – objects before and after changes The changed (called a) set by struts 2 can be easily …… -
How do I turn the monitor on and off in a Java application?
How do I turn the monitor on and off in a Java application? If you want to know why, this is a self-service terminal s…… -
Java – how to bind two parameters using play 2.0 routing
I'm learning play 2.0 (using the Java API) and want to have a double / float parameter (location coordinates), like ht…… -
Using multiple SSL client certificates with the same host in Java
In my java application, I need to use SSL to connect to the same host, but I use a different certificate every time Th…… -
Java – is there any way to create a basic array without initialization?
As we know, Java always initializes arrays at creation time That is, new int [1000000] always returns an array with al…… -
How can the Java – @ Autowired annotation be used for private fields?
See English answers > what is reflection and why is it useful? 21 Solution It applies to reflection Here you can fi…… -
Java – does any program recognize that it crashed last time?
What is the best way to let the (Java) program recognize the crash when it was last run, and display a message "it loo…… -
Java – is it acceptable to use the hamcrest matcher in non test code
I tried to find a clear answer to using hamcrest matchers in non - Test code I have done some research and have some c…… -
Java – what is the reason for the failure: “jarsigner: failed to try to rename {file} to {file}. Org” sign up with ants?
I received an error: When trying to sign a set of cans with ants in eclipse Ant build works well in this project and h…… -
Multithreading – prevents / removes threads from publishing messages to the main UI thread
My problem is that if a thread quickly publishes messages to the main UI thread, and if I update the UI at that time, …… -
Java n-dimensional array
I need to be able to have an n-dimensional field, where n is the input based on the constructor But I'm not even sure …… -
Java – spring MVC: Form: RadioButton of Boolean attribute
I just want to know how to use Boolean values in spring MVC forms I try to use this Code: My jsp: <form:radiobutton…… -
Concurrency – can a single process run in multiple cores?
Can a single process run different threads on different cores? (I think they can) @ h_ 301_ 3@ In this case, different…… -
Use the latest JRE instead of the old java version. Can I guarantee that it will work?
Suppose I have a java project encoded in Java 1.5. I use a newer version of Java, but set the target to 1.5 If the cod…… -
Java – find the largest connected component in the adj matrix graph?
I try to find a way to find the largest connected component in adj matrix graph For example: 0000000110 0001100000 000…… -
Parallel for loop
I want to use the go routine to parallelize the for loop I tried to use the channel, but it didn't work My main proble…… -
Java – multiple object types in an ArrayList
I have an abstract class named user, which can be created as student type or teacher type I have created an ArrayList …… -
Java – do you know what this error means in SVN?
Send example java I try to restore my changes and then even add only one additional character, and I'll see this error…… -
How to create mongodb objectid in Java
How to add an array to a mongodb document using Java? after { "_id" : ObjectId("5399aba6e4b0ae375bfdca88"),"addressDe…… -
Java – how to work comfortably in large (Android) projects?
I created an app for Android some time ago and uploaded it to Google play I'm happy because users like my application …… -
Java – making a flash screen with an eclipse progress bar
My main class loads the configuration from the file and then displays a framework I want to use a progress bar like ec…… -
When a java program suddenly exits, can you perform some operations?
If the program exits suddenly or there are any exceptions, I need to log For example, when someone presses Ctrl C whil…… -
Java – how to track listeners in firebase on Android?
I have a list of chat rooms for a given user in one location and the total number of messages for a given chat room in…… -
XML schema types that use JAXB to generate Java primitive types do not need to be added
I am using JAXB (xjc version 2.2.4-2) to generate Java classes from XML schema XML types mapped to Java raw data types…… -
Detect OS sleep and wake up events in Java
Is there any way for Java programs to detect when the operating system is about to go to sleep, or fail, or at least d…… -
Java – mongodb is obviously too big for a 16MB hat
I have a mongodb series Simply put, it has two columns: user and URL It has 39274590 lines The key to this table is {u…… -
Java – easymock and modified a variable method parameter
How to use easymock to modify the variable method parameters of simulation methods? For example, I have a class that u…… -
Does anyone use the spring framework of Java config now?
I am browsing the spring Java config page It says Does that mean it's out of date? Does anyone use it in their project…… -
Rotate the coordinate plane of data and text with Java
I need it: The following code sets this problem It works except for two problems: 1.) Draw the data point, the upper l…… -
Java – Android: a simple GridView that displays text in the grid
I followed this example in the Android tutorial on GridView, but I want to use textview to simply display some text in…… -
Is there anything wrong with this java code?
class Creature { class Creature { private int yearOfBirth=10; public void setYearOfBirth(int year) { …… -
Java – install jpype in mountain lion
I'm trying to install jpype.com in mountain lion I follow all the steps suggested in this article: how to install jpyp……