Java 归档 - Page 348 of 655

Get the file creator / owner attribute in Java

I'm trying to read the file list and find the user who created the file With the * Nix system, you can perform similar……

Java

2020-01-23

Java – understand the order of elements in the stream generated from the HashSet

I read this official JAVA 8 document: Try to understand the above behavior through this code public class StreamOrderV……

Java

2020-01-23

Java Swing Mac OSX Preferences menu

I'm trying to add the Preferences menu to my java swing application, which proves a little disgusting I've read a lot ……

Java

2020-01-23

Java – unit testing of methods that use mockito to call multiple other methods

Maybe I didn't do it at all in the search, but I can't find any documentation or discussion about how to write unit te……

Java

2020-01-23

Java – exact sum of long arrays

To get the exact sum of long [], I am using the following code snippet public static BigInteger sum(long[] a) { lo……

Java

2020-01-23

Java – CTR mode uses initial vector (IV)

As far as I know, CTR mode does not use initial vectors Other block cipher modes, such as CBC, XOR plaintext using ini……

Java

2020-01-23

Java – Concurrent HashMap: check size

Concurrent HashMap can solve the synchronization problem seen in HashMap Therefore, if we work with a synchronization ……

Java

2020-01-23

How to understand whether behvior will use static or dynamic binding in Java?

I understand at a low level what static (compile time) and dynamic (run time) bindings are I understand in a way why i……

Java

2020-01-23

Fonts – extract geometry from font

I want to be able to extract the geometry of each letter in the TrueType font file Each letter has a set of coordinate……

Java

2020-01-23

How to extend Jython class in Java class

resolvent

Java

2020-01-23

Share_ PTR is used with swig directors for Java

I began to understand swig. It seems that the latest version of swig (V3.0) can only handle all the contents I use out……

Java

2020-01-23

Spring batch differences between multithreading and partitioning

I can't understand the difference between multithreading and partitioning in spring batch processing The implementatio……

Java

2020-01-23

Java – anyone can explain tools to me The functionality of jar (which is tied to the JDK / lib folder) and why does it need it?

I'm in Java Encountered tools in so Jar file, want to know what it is used for? I searched a lot, but I couldn't find ……

Java

2020-01-23

Java – a schema that uses JDBC to connect to different databases

I am writing an application that must be configurable to connect to Oracle, SQL server and MySQL according to the idea……

Java

2020-01-23

Java – create Maven project, unable to parse prototype, reject connection

I suspect I have Maven agency problems When I create a new project: 1) File – > New – > Maven project 2) I choos……

Java

2020-01-23

Java – when the difference between methods is a parameter subtype, null is passed to the overriding method

See English answer > which overload will get selected for null in Java? 3 Why does the virtual machine call this me……

Java

2020-01-23

Generate UML from Java source

Because I have a big project, I have to generate UML for it Writing UML for 300 classes is excessive So is there any s……

Java

2020-01-23

Java – exception thrown when connecting to JMX server in spring!

So when I try to connect to JMX from jconsole, I get this exception: Caused by: java.rmi.ConnectException: Connection ……

Java

2020-01-23

Java – in memory scanning of files, ideally using ClamAV

We are implementing an enterprise application that focuses on security, including uploading files These files need vir……

Java

2020-01-23

Java – WebSockets with multiple data in onmessage annotation

I'm using WebSockets I want to use multiple @ onmessage overloaded methods with different data types @OnMessage public……

Java

2020-01-23

Java scriptengine: use values on the Java side?

In the Java program, I am calling a user-defined JavaScript program: File userJSFile=...; javax.script.ScriptEngineMan……

Java

2020-01-23

Java – spring security displays “bad credentials” even before submitting the form

I have the following spring safety code, but it doesn't work When I open the login page and enter the user name / pass……

Java

2020-01-23

Java – how to terminate matcher Find() when it runs too long?

I want to know the technology of terminating long-running regular expression matching (Java matcher. Find () method) M……

Java

2020-01-23

Java – add jdbc driver to classpath

OK, I set up my Maven correctly on win vista_ HOME,JAVA_ HOME. But I don't have a course path yet I also installed mys……

Java

2020-01-23

Java – design problem: Reservation System

I have to design and implement a reservation system for the hotel I have >Array list of reservation Objects > ar……

Java

2020-01-22

Use the new standard javax JSON serializes POJOs into JSON

I like the idea of using JSON serialization standard in Java, javax JSON is a big step forward. You can create an obje……

Java

2020-01-22

Java – how to include all modules in a POM project

I'm looking for a way from another POM XML contains all the modules in the project So in my case, I have a parent POM ……

Java

2020-01-22

Java – shuffling array in multithreading

I have an array of size n I want to shuffle its elements in 2 threads (or more) Each thread should use its own array p……

Java

2020-01-22

How to understand the wait and notify methods in java thread?

I am very confused about these two descriptions: >"Wait method blocks the calling thread and relinquishes the monit……

Java

2020-01-22

Java – read the newline character in CSV, which is referenced in the file in flatfileitemreader of spring batch

I tried to parse CSV files with flatfileitemreader This CSV contains some referenced line breaks, as shown below email……

Java

2020-01-22

Java – JAXB and inheritance in Collections

How do I map (through JAXB in Java 1.6) collections to XML and XML, and where class mapping{ @XmlElementWrapper(na……

Java

2020-01-22

Java: preparing statements without connections

I'm trying to generate some SQL files in my java application I want to use Java sql. Preparedstatement creates my stat……

Java

2020-01-22

搜索内容

Get the file creator / owner attribute in Java

Java – understand the order of elements in the stream generated from the HashSet

Java Swing Mac OSX Preferences menu

Java – unit testing of methods that use mockito to call multiple other methods

Java – exact sum of long arrays

Java – CTR mode uses initial vector (IV)

Java – Concurrent HashMap: check size

How to understand whether behvior will use static or dynamic binding in Java?

Fonts – extract geometry from font

How to extend Jython class in Java class

Share_ PTR is used with swig directors for Java

Spring batch differences between multithreading and partitioning

Java – anyone can explain tools to me The functionality of jar (which is tied to the JDK / lib folder) and why does it need it?

Java – a schema that uses JDBC to connect to different databases

Java – create Maven project, unable to parse prototype, reject connection

Java – when the difference between methods is a parameter subtype, null is passed to the overriding method

Generate UML from Java source

Java – exception thrown when connecting to JMX server in spring!

Java – in memory scanning of files, ideally using ClamAV

Java – WebSockets with multiple data in onmessage annotation

Java scriptengine: use values on the Java side?

Java – spring security displays “bad credentials” even before submitting the form

Java – how to terminate matcher Find() when it runs too long?

Java – add jdbc driver to classpath

Java – design problem: Reservation System

Use the new standard javax JSON serializes POJOs into JSON

Java – how to include all modules in a POM project

Java – shuffling array in multithreading

How to understand the wait and notify methods in java thread?

Java – read the newline character in CSV, which is referenced in the file in flatfileitemreader of spring batch

Java – JAXB and inheritance in Collections

Java: preparing statements without connections

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