包含标签:Java 的文章
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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 – how to programmatically enable POJO mapping in Jersey using grizzly2?
According to the instructions here, I have this Code: private static URI getBaseURI() { return UriBuilder.fromUri(…… -
Java – HTTP status 500 – provider org. Not found glassfish. json. JsonProviderImpl
I use netbeans-8, JDK 7, Tomcat 8.05 I created a webapp in NetBeans and put javax The JSON API was added to my project…… -
Java – run spring batch job programmatically?
I have a spring batch application. I start with commandlinejobrunner But now I have to embed this application into our…… -
Java – long floating point output display letters
I have the following code: String curDir = "."; File fileObject = new File(curDir); File[] fileList = fileObject.listF…… -
How much memory does Java – hashtable use?
In Java, if I create a hashtable < K, V > and put n elements in it, how much memory does it take? If it depends …… -
Java – you can add the available parameters of a request (HttpServletRequest)
I want to intercept a request in a filter / servlet and add some parameters However, the request does not expose an er…… -
Java – Custom encrypted GSM call
Can you capture voice audio streams using Java (JME or Android), customize encryption, and then send them as regular s…… -
Spring data paging JPA (limit and offset)
I want the user to specify the limit (returned size) and offset (the first record / index returned) in the query metho…… -
Managed Javadoc?
I have an open source project, hosted in bitbucket Bitbucket does not provide hosting a large number of small files (i…… -
From mm / DD / yyyy to dd-mmm-yyyy in Java
Is there a method in Java that can convert mm / DD / yyyy to dd-mmm-yyyy? For example: 05 / 01 / 1999 to 01-may-99 tha…… -
Use java to delete XML declarations from the generated XML document
String root = "RdbTunnels"; String root = "RdbTunnels"; DocumentBuilderFactory documentBuilderFactory = DocumentBuilde…… -
Java – can I instantiate an anonymous class in the constructor of an external class?
I have the following code: public class Outer { public Interface Anony { public void callback(); } …… -
Java – how do I accept self signed certificates for JNDI / LDAP connections?
I need to connect to LDAP directory through SSL In a non production environment, we use self signed certificates, whic…… -
Symbolic references in Java
I've been playing java reflection and reflection these days Class format I'm learning the LDC command In the JVM speci…… -
Java – is it really unique to use the unique ID generation of UUID?
I want to generate unique IDs, just like automatic increment in Java So I used the current nanosecond before, but I fi……