包含标签:Java 的文章
-
Java code coverage tool that supports source code exclusion
I currently use clover to measure the code coverage of Java code One feature I rely on is the ability to exclude arbit…… -
Java – Maven: attach multiple artifacts
I have a maven project that uses some custom jars [not found in any repository] To add them with Maven builds, I use a…… -
AspectJ – execute call join point
I have two different aspect classes to calculate the number of non - static method calls that execute the test program…… -
Java: catching specific exceptions
Say I have the following try{ //something }catch(Exception generic){ //catch all }catch(SpecificException se){ //catch…… -
Java – HashMap means that even if it does exist, the key does not exist
I have an interesting problem. I'm sure it's HashMap's fault Consider the following debugging code (AMAP is the HashMa…… -
JUnit – performs custom actions when the given mocked void method is called
When a given void method is called, I want mockito to perform a custom operation Say I have the following code: @Autow…… -
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 …… -
Java – how do I find file sizes in scala?
I'm writing a Scala script and need to know the size of a file How to execute correctly? os.stat('somefile.txt').st_si…… -
Java – how to add references in eclipse
I developed some software in access / VBA It handles lotus notes, so in the visual basic editor, I just went to the to…… -
Java – Scala point syntax (or missing)
When I came across a piece of code that meant nothing to me, I was experiencing this wonderful book Programming in sca…… -
Does Java support Julian calendar?
Oracle docs http://docs.oracle.com/javase/6/docs/technotes/guides/intl/calendar.doc.html It claims that Java supports …… -
Java – for a class that uses Jackson to execute collection, deserialization fails
I have the following JSON: { "item": [ { "foo": 1 },{ "foo": 2 } ] } This is basically an object that contains…… -
Java – generate fractal rotation
I need to use the algorithm iterated function system to draw fractal vortices This fractal has coefficients: 0.745455 …… -
Java – spring securely switches to LDAP authentication and database permissions
I implemented database authentication for my web pages and web services @Configuration @EnableWebSecurity @EnableGloba…… -
Java – a description of how the classloader loads static variables
Well, this is a novice question about Java, but I don't seem to be sure I have the following code in my course private…… -
Java – what is mongodb’s jdbc driver class name?
In the case of MySQL, like com mysql. jdbc. Like driver, what is the jdbc driver class of mongodb? In Java code, you c…… -
How to generate RTF from Java?
I work on a web - based tool that provides customized printing At present, we use java to build an XML structure, prov…… -
Java – connection pool for dynamic database connections
The problem setting is based on a web service (spring / Java, tomcat7 and MySQL). Each user obtains its own database, …… -
Java – hibernate SQL query result mapping / conversion to object / class / bean
1 2: Select (table. * *) / (all columns) ok String sql = "select t_student.* from t_student"; //String sql = "select t…… -
Java – which runs faster, ArrayList or LinkedList?
There is already an answer to this question: > when to use LinkedList over ArrayList? 30 List li = new LinkedList()…… -
JPA temporary information was lost during creation
I have an entity with a transient field When I want to create a new object instance, I lose my transient information T…… -
Java – calling a method is faster when you initialize an object or save it as a variable and call the method
Suppose there is a classA class that gives the value I need through non - static methods If I only need the value of o…… -
Multithreading – testeract 3.00 multithreading?
I read some other posts and suggested that they add multithreading support in 3.00 But I don't know if I add it after …… -
What experience have you had with functional Java projects?
I am reading the following questions – how safe would it be to use functional java to add closures to a Java productio…… -
What does this () mean in Java
There is already an answer to this question: > what the use of this() in LinkedList java2 It appears to work only w…… -
Java – Android Maven does not start the simulator
When I right-click My Android project and select run – > Android application The simulator is started and the chang…… -
Java – operator = = wrap differential behavior on class objects
Any body can explain what happened in my output static void main(String args[]) { Integer aa = Integer.valueOf("12…… -
Can anyone simply describe the difference between the three closure proposals and their current state in Java?
I'm reading closures that will appear in Java 7 I'm a little confused because on the one hand, there are many good art……