包含标签：Java 的文章
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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…… -
javax. inject. Singleton and javax ejb. Differences between singletons
I'm confused javax inject. Singleton and javax ejb. What's the difference between singletons? Solution Adam bien gives…… -
Java – Android – disable the mylocation button on Google Maps
See the English answer > disable center button in mylocation at Google map API V23 I want to delete the mylocation …… -
Double precision of “= =” operator in Java
This method returns' true ' Why? public static boolean f() { double val = Double.MAX_VALUE/10; double save = val…… -
Java – Create directory recursively
Does anyone know how to use java to create subdirectories based on N-level depth letters (A-Z)? /a /a /a …… -
Java – jax-ws and saaj style, which one is used
What is the difference, philosophical or otherwise, between using the service and dispatch class and the soapconnectio…… -
Java – how to start the server Daemon in spring
I want to start the daemon mail service thread when the Tomcat server starts So I annotated a method with @ async anno…… -
Java – use ebean to map a collection of strings and enumerations (play 2.0)
There was a problem mapping strings and enum collections in my entity I followed different advice, but it didn't seem …… -
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…… -
Java CPU utilization should be 100%… But not
I run a java program on my Core i7 laptop with 8 cores (4 physical, 4 HT) The program uses 8 parallel threads, so it s…… -
Java – use gradle to upload the source to the nexus repository
I successfully uploaded my jars to a nexus repository, which uses the Maven plug-in for gradients, but did not upload …… -
Java – how to dynamically set the layout in Android
Then, suppose there is an activity called mainactivity. There are two layouts, layout1 and layout2, with few buttons T…… -
Why package info Java useful?
When I run checkstyle on my java project, it loses package info Java file For some courses, but not all I don't know w……