Java 归档 - Page 318 of 655

Java code for generating reports using birt

I have some data in XML, which contains few records, and I have created an RPT file Now, how can I call birt to genera……

Java

2020-02-13

You need a visual Java library that supports automatic layout

I need a java graphics library for visualization that I can add to my own applications I find JGraph very suitable for……

Java

2020-02-13

Java – hibernate spatial index annotation

I use JTS geometry objects to store my geometry objects as Oracle SDO_ Geometry. However, when I want to use SDO_ GEOM……

Java

2020-02-13

SBT scaladoc configuration

I'm trying to configure scaladoc in SBT, especially the title, output directory and classpath I managed to pass in bui……

Java

2020-02-13

Separate logic and GUI in Java

I am implementing a game in Java, using the classes shown below to control the game logic When I explain my problem, I……

Java

2020-02-13

Java – sharing under IP

How do I list all available shared folders under a specific IP address? Analog code: IP ip = new IP("10.0.0.9"); for(……

Java

2020-02-13

What is the equivalent of c# the access modifier in Java and scala?

I used to work in c# before, and now I spend a lot of time working in scala and Java This can be confusing because acc……

Java

2020-02-13

Java – how multithreading destroys the internal structure of HashMap

In Java 8, the really impatient Horstmann wrote: I can understand that unsynchronized concurrent access may destroy my……

Java

2020-02-13

Java – access request objects from custom JSP Tags

I tried to make a set of custom tags that encapsulate form elements (markup and validation) There is a way to easily r……

Java

2020-02-13

Can parent package classes be accessed from child package classes in Java?

Can I access from a Java sub package class? Please explain me any one? Example package a.a1 A2 contains class sub pack……

Java

2020-02-13

Java – reject hostkey: when deploying jars using gradle SSH plug-in

I'm trying to upload jars using gradle and use the gradle SSH plug-in: https://gradle-ssh-plugin.github.io/ Unfortunat……

Java

2020-02-13

Hash algorithm implemented by hash table

I am looking for high speed hash functions with good (i.e. near uniform) distribution for hash implementation Hash tab……

Java

2020-02-13

Simulating duck typing in Java

Question: I think I can generally access any property / field in Java Ojbect in Java, just like dynamic language (groo……

Java

2020-02-13

How to send fix messages using quickfix / J

I need a simple example of how to initialize a session and send a fix message I have this initial code: SessionSetting……

Java

2020-02-13

Java – does closing bufferedoutputstream also close the underlying OutputStream?

I call response Getoutputstream () streams binary data (extracted from the database as a CLOB CSV file) to the browser……

Java

2020-02-13

In the latest JDK7, using java failed hostname failed

I have got the host name of the machine as follows: InetAddress.getLocalHost().getHostName(); However, when I install ……

Java

2020-02-13

Java – import CSV data using Apache poi

How to effectively import CSV data through Apache POI? If I have a very large CSV file that I want to store in my Exce……

Java

2020-02-13

Java PDF manipulation and rendering

I hope this problem will become a comprehensive guide to PDF manipulation and rendering in Java I have a fairly compre……

Java

2020-02-13

Java – how to run different jobs of Apache nutch in parallel

I use hen 2.3 All jobs run one after another, that is, the first generator, extraction, parsing, indexing, etc I want ……

Java

2020-02-13

How to quickly annotate a few lines of code in Java?

I want to test the runtime of some code blocks as follows: start = System.currentTimeMillis(); { ... this.dosome……

Java

2020-02-13

Java – r.loess and org apache. commons. The difference between math and loessinterpolator

I'm trying to use Apache commons. Math library to calculate and convert r script into Java script You can use org apac……

Java

2020-02-13

Where did ORM fail?

I often hear people attack ORM for lack of flexibility and "vulnerability abstraction", but you really don't know why ……

Java

2020-02-13

Java – what is the difference between a normal interface class and an abstract class with only abstract methods?

I'm just curious if they have any different treatment For example, if we have: Interface: public interface Test { ……

Java

2020-02-13

Java – Design of objects and static methods

As shown in the figure below, there are two simple ways to make the streaming copier (Introducing Apache commons or si……

Java

2020-02-13

. Net garbage collector

I've read a detailed article on the internal work of various garbage collectors in the JVM, but I'm finding it Net run……

Java

2020-02-13