包含标签：Java 的文章
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How to ensure that a code block cannot be interrupted by any other thread in Java
For example: new Thread(new Runnable() { public void run() { while(condition) { *code that must not be in…… -
Java – add the classpath to the terminal running in the Maven integration test
I'm setting up integration testing for a maven project that generates war files (as shown here) http://docs.codehaus.o…… -
JAVA memory usage increases when app is used, but will not decrease when it is not used
I have a Java application that uses a lot of memory, but memory usage does not decline when the program is not used Is…… -
Java – using cookies in struts 2 and struts
I have the following (shortened) struts 2 actions: public class MyAction extends BaseAction implements CookiesAware { …… -
Design Java programmatically library. path
I can set up Java programmatically from the Java code itself library. Path? Not below System.setProperty("java.library…… -
Java – find the last row in an Excel spreadsheet
I'm using Apache's Java POI to find the index of the last row in an Excel spreadsheet I think it should be possible to…… -
Does rest (resttemplate) in Java – spring library support HTTPS protocol?
I tried to connect to the web server through HTTPS protocol, but the response Getbody () returns null and must return …… -
Java – image size supported by webcam
I am trying to retrieve the available picture size resolution supported by my webcam; Use opencv library I have tried …… -
Is this a new sort algorithm? [implemented in Java and pseudocode]
I know this may be a stupid question, perhaps the stupidest question today, but I have to ask: did I invent this sort …… -
Java – create a class whose objects cannot be created
I was studying for my BS, and my professor gave me a task. He said: create a class without using any access modifiers …… -
Java equivalent of numpy multidimensional object
After using it for some time, I really like numpy's multidimensional array It is very useful to write algorithms using…… -
Java – get Boolean values from the properties file
I have a property file with some Boolean values AFAIK,java. util. Properties has nothing like getboolean Is there any …… -
Java – read IOException from InputStream
When reading from InputStream on Android platform, I encountered a strange problem I don't know if this is an Android …… -
Equality – equals() and deepequals() in Java 7
The method statement states: Which (for me) suggests that if they maintain references to each object, using the equals…… -
When annotation is used as the super interface, the value of Java – @ suppresswarnings
I have an enumeration that implements annotations, and I get a warning: Does @ suppresswarnings that handle this warni…… -
Java – number of bundles in Android
Pass data from one activity to another through the following code: @Override public void execute(List<Report>…… -
If there are multiple spaces in a string in Java, how do you group them into a single space between words?
If a string has multiple spaces between words: The cat sat on the mat. How d…… -
Java – multiple colors for each item in jcombobox
I tried to make one Combo@R_514_2419 @Use different colors for different items I wrote some test code, but it didn't s…… -
Java – how do you simulate output streams?
By 'output steam' I mean any object that receives a sequence of bytes or any character So, Java io. OutputStream, and …… -
Java – format JSON before writing to file
At present, I am using Jackson JSON processor to write preference data and files, mainly because I want advanced users…… -
Is it faster (or better) to declare array inlining in Java?
Consider the following two almost equal method calls Notice how byte arrays are declared and allocated on both void Me…… -
Java – NullPointerException when the viewpager is displayed for the second time
The viewpager clip I use has two clips for children This is great, but when I replace the viewpager fragment with anot…… -
Use Boolean The valueof () method vs (or Java 1.5 autoboxing) creates a Boolean object
Boolean. Valueof() and Java 1.5 auto@R_750_2419 @A better approach between ing is to create Boolean values from Boolea…… -
Java – define encryption suite for TLS in JCA
I want to use JCA to support the following cipher Suites in TLS: > TLS_ PSK_ WITH_ 3DES_ EDE_ CBC_ SHA > TLS_ PS…… -
Java – why does the interface extend object according to the class file format?
Why does the JVM specification declare that the interface must have a super of Java / Lang / object_ Class, even if th…… -
Mongo Isodate query in Java
I have a Mongo query executed: query = { "dateField" : { "$gte" : ISODate('2011-11-10T07:45:32.962Z') } } When I exec…… -
Java – optical character recognition Android and opencv
At present, I am carrying out a project involving optical character recognition in Android. I really need the pointers…… -
How to convert ArrayList to JSON in Java
I have an ArrayList, which has a bunch of domain objects As follows: Domain [domainId=19,name=a,dnsName=a.com,type=0,f…… -
Java – how to always display decimal parts when using decimal format?
Float sum = new Float(300); // always somehow calculated Float sum = new Float(300); // always somehow calculated Deci…… -
Java – adjusts the selected file to filefilter in Jfilechooser
I write a graph editor in Java This application can choose to export to various standard image formats, such as jpg,. …… -
How to process different versions of XSD files in a Java application?
fact In my java application, I have to process XML files of different schema versions (XSD files) at the same time The…… -
How to debug Java Swing layout
There is a way to print layout information for specific components I know one way is there, but I forgot the name When……