包含标签：Java 的文章
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Java – cannot send a multipart / mixed request to pop up MVC based rest services
I have a spring MVC and resteasy rest service. I need to test it by sending multipart / mixed requests The service cod…… -
Java – how do I sign Mac OS X applications in Linux?
For OS X, I distribute Java applications to DMG Due to the release of mountain lion, the following error message will …… -
Java – the difference between enumeration and enumeration
There is no difference between enumeration data types and enumeration interfaces I became confused between the two I g…… -
Java – how to call the functions of the main activities from a custom arrayadapter?
I've seen a lot of similar problems and don't seem to have any work I have a main class of such functions, edit, displ…… -
Java – how to represent the type parameters of general polymorphic static methods in jshell?
In pure Java, I can write class P { static <A> A id (A x) { return x; } static int y = P.<Integer>…… -
Java – too much parameter code in a factory constructor?
I have a factory class that currently has six parameters in its constructor. I just need to add another one Usually, i…… -
How to use java to detect the current display?
I have 2 monitors connected, so I can launch my java application on the primary or secondary monitor The question is: …… -
Java – differences between JDBC
What is the main difference between spring JDBC and JDBC? Solution Let me look at a simple example of using JDBC: fina…… -
Java – simpledateformat parse (string STR) will not throw an exception when STR = 2011 / 12 / 12aaa?
Here is an example: public MyDate() throws ParseException { SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/d…… -
You can use Java util. Is logging configured to use compressed log files?
Can I configure Java util. Logging to compress the log file when it "scrolls" to a new log file? For example, an excer…… -
What is the difference between pointers and reference variables in Java?
My java book explains that to use objects, we can assign them to reference variables How is it different from a pointe…… -
Java – why HashSet RemoveAll requires secondary operations?
I have this code to generate a HashSet and call removeall() I made a Class A, which is just an int wrapper. It records…… -
Java heap analysis and OQL: counting unique strings
I do memory analysis on the existing Java software There is an SQL 'group by' equivalent in OQL to view the count of o…… -
Java InputStream. Read (byte [], int, int) method, how to block until the exact number of bytes is read
I am writing a simple client / server network application to send and receive fixed size messages through TCP sockets …… -
Java saxparser: different from ‘localname’ and ‘QName’`
In Java, the handler class contains a method named startelement The this method has a prototype: Public void startelem…… -
Is there a for Java application server Net simulation?
There is something in the Java community called Net? Similar to tomcat, resin and jetty I'm not interested in JSP equi…… -
Multithreading – dual locking mode in C 11?
The new model of C 11 allows multiprocessor systems to work reliably, wrt Reorganization order As Meyers and Alexandre…… -
Java – how do I determine the length of a graphic string?
I'm creating a graphical timeline from an excel document. I need to add a small label of the event name next to the ta…… -
Java: how to replace the last 16 bits of long with short
I have a long, short time Ex (divided into 16 bit blocks for ease of reading): > long = 0xffff 0xffff 0xffff 0xffff…… -
Java – what version of JBoss am I running?
(as the question:) how do I know what version of JBoss I am running? I'm also curious about what version of Tomcat I'm…… -
Java – why HashSet RemoveAll requires secondary operations?
I have this code to generate a HashSet and call removeall() I made a Class A, which is just an int wrapper. It records…… -
Java – controls the position of page breaks
According to the documentation, displayTag can be configured through paging banner. The placement attribute places a p…… -
Java – converts a list to a list (or any class that extends number)
I want to create a very general utility method to use any collection and convert it to a collection of user selectable…… -
Java – spring boot control target jar file name
My spring boot project has a build Description: <build> <plugins> <plugin> …… -
Is there a Java Translation Library working offline?
I really need to find a Java translation library that can be translated Solution For translating individual words, see…… -
Java – why does the LinkedHashMap class implement the map interface?
See English answers > Why do many collection classes in Java extend the abstract class and implement the interface …… -
Java conventions for accessible data (public visitors and recipients / naming)
Through the Java API, you can see countless conflicting naming and practices, which is really confusing to me For exam…… -
Java – how do I format numbers in the expression language?
How do I format and output numbers (such as long or BigDecimal) in El? For example, I want to limit some decimal numbe…… -
How to transfer files between TCP server and TCP client in Java
I have implemented simple TCP server and TCP client classes, which can send messages from the client to the server, an…… -
Java – converts the timestamp length to the normal date format
In my network application, the time of some activities of the user is stored as a timestamp in the database (in the da…… -
Java – Maven: “error reading prototype directory”, not proxy
Command: mvn archetype:generate -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false -DgroupId=org…… -
Can bufferedimage be converted into img data URI in Java?
I created a graphic image with the following example code BufferedImage bi = new BufferedImage(50,50,BufferedImage.TYP……