包含标签：Java 的文章
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Java – ‘Maven jetty: run’ how does it work?
What I learned is: >Jetty is a java servlet > Maven is a build automation tool mainly used for Java projects >…… -
From Java util. List get class
How to get Java. Net from this expression util. Get class from list Solution I assume that you want to know the templa…… -
Java – SBT build, run the main class of the subproject on compile and run
I have a simple build tool multi project problem I have the following directory structure to represent my java SBT pro…… -
Java – JPA @ ID and insertable = false, updatable = false throw exception
I'm using Oracle database. I have sequences and triggers to generate and store IDS before insertion CREATE SEQUENCE CA…… -
Java – why can only some XPath expressions find nodes when XML has a namespace prefix
In the following example code, any XPath of the form '/ / elementname' will return null when the source XML has a name…… -
Java 9 zip end header exception not found
I tried to use Java – SRTM files to batch download zip files from this URL. It requires a user name / password to down…… -
Java – spring Mongo > how to get the list aggregationoperations from aggregation
I have a function that takes aggregation as a parameter I want to get all aggregationoperations from the aggregation I…… -
Kill the thread on the running VM (JBoss instance) using Java?
A bug in a third party library causes an infinite loop in the working thread on my JBoss instance Do you know how to k…… -
Configure the path style in the Java SDK Amazon S3
I am using AWS Java SDK provided by Amazon to interact with S3 service It seems that by default, the SDK uses the virt…… -
How to set the class path of rjava in R?
I have an R package that contains several jar files In the main package, I have an onload function that uses The jpack…… -
How to reorder automatically generated methods in NetBeans?
For example, when using the function of NetBeans to generate an event handler from the GUI, the body of the generated …… -
Java – calculates the maximum number of threads that can be used for better performance in ThreadPool
Recently, I was faced with an interview. The interviewer asked me what is the maximum thread you can assign to the thr…… -
Java – can heap memory usage be checked by pool?
I've been trying to optimize a program with many memory leaks The leak has now disappeared, but the occasional operati…… -
Java – use the scrolledcomposite parent of GridLayout
I want a scrolledcomposite whose parent grid has GridLayout, but the scroll bar is not displayed unless I use filllayo…… -
Java – jdbctemplate multiple result sets
I tried to find a simple way to handle stored procedures / SQL returning multiple result sets I have been using the si…… -
Java – Apache Tika’s C / C + + alternative
I am looking for a C / C + + alternative to the Apache Tika framework based on Java Specifically, I am searching for f…… -
Taglib displays Java time. Localdate format
I want to display the formatted Java. JSP in my JSP time. LocalDate. Do you know any taglib for this? For Java util. D…… -
Java – is it more efficient to use flag or if clauses?
Is it more efficient to use Boolean flags instead of if statements in Java loops? Look at these two lines of code Use …… -
Java – gradle: conflict inclusion / exclusion of war missions
I'm trying to build a war file using gradle, but I have a problem. It excludes one directory and contains another dire…… -
Java – different output of ‘run’ and ‘debug’ when using readline()
I get two different outputs of the same code When I debug and step through each line (using NetBeans 8.1), I get a res…… -
Java – my Jax WS WebService client returns only empty objects
I have a third-party Web service, and I use wsimport to generate a client Every call to WebService completes successfu…… -
Java – starts the camera intent, but does not save the image
Is there any way to use the camera, but only save the image temporarily? I'm loading the camera using the following co…… -
Why Java Lang.void cannot be serialized?
By default, the primitive 'void' can be serialized. Why can't the object 'void' extend serializable? Add example: Root…… -
Populating an array with a common list using vendors in Java 8 throws classcastex B / C with type erasure
I want to use supplier and stream Generate populates an array with a generic list as elements It looks like this: supp…… -
Java – can ThreadLocal be safely used with Tomcat NiO connector
We thought of this when testing the Tomcat NiO connector during the load test I use ThreadLocal. In addition, I use sp…… -
Java – square retro fit client: how to enable / disable followredirects? How do I intercept redirected URLs?
I'm using square's Retro fit client to make a simple request from an Android application like this: RestAdapter restAd…… -
Java – convert resultset to excel (*. Xlsx) table using Apache poi
I'm trying to write the resultset to an excel (*. Xlsx) table using Apache poi Table object error in Office Excel inva…… -
How to use SQL Server Compact Edition (CE) of Java?
I want to access Microsoft SQL Server Compact Edition database from Java How can I do this? I searched the jdbc driver…… -
How do I get the current screen details in JavaFX?
I have multiple monitors connected to my computer I can get the home screen from JavaFX But I need to know the screen …… -
Recursive generic definition and stackoverflow in Java
I am writing implementations of deterministic finite automata for some research projects, and some arcs lead to the sa…… -
Java – is there a way for IntelliJ to warn me that this code may cause NullPointerException?
Is there any way for IntelliJ to warn me that this may lead to NullPointerException? URL resource = Main.class.getReso…… -
Java – is there any way to prevent hibernate from destroying Boolean text in @ where annotation?
I want to use the @ where annotation in hibernate to delete objects that have been marked "deleted" by the Boolean att……