Java 归档 - Page 322 of 655

Java – guava eventbus scheduling

I use guava's eventbus to start some processing and report results This is a very simple compiled example: import com.……

Java

2020-02-11

Java – get enumeration values through reflection

I have an enumeration like this: public enum Mode{ RUNNING("SytemRunning"),STOPPED("SystemStopped"),IDLE("tmpIdle");……

Java

2020-02-11

Calculating SHA-1 hash values in Java and c#

Calculating SHA-1 hash values in Java and c# I'm trying to copy the logic of a Java application in a c# application Th……

Java

2020-02-11

Java – accessing files in JUnit tests in the gradle environment

Now I have a Java library with a test class In this class, I want to access some files located on my hard disk build. ……

Java

2020-02-11

JComponent. How does paintimmediately () run in Java swing?

My understanding: public class PaintingDemo { public static void main(String[] args) { final JFrame frame……

Java

2020-02-11

Java – JAXB: how to annotate classes to belong to different namespaces?

I want classes with JAXB annotations What I need is: What should I do? Is it programmable? (JAXB. XJB binding file is ……

Java

2020-02-11

Direct Java / groovy and ETL tools (talend / etc) – which libraries will you use?

Suppose you have a small project that looks like an ETL tool, such as talend But further assume that you have never us……

Java

2020-02-11

Rest Java Web services use protobuf

I want to use Java & protobuf Anyone can point out where to start or how to achieve it? Any good tutorials? thank ……

Java

2020-02-11

Java – why does a single threaded process execute on multiple processors / cores?

Say I run a simple single threaded process, as follows: public class SirCountALot { public static void main(String……

Java

2020-02-11

How to start RMI registry through Java code?

I write Java programs for clients and servers However, to run this program, I need to manually start the RMI registry!……

Java

2020-02-11

Java – Jersey: injectableprovider doesn’t pick up – spring

resolvent

Java

2020-02-11

How to correctly use @ checkfornull, @ nonnull and @ nullable annotations of findbugs

I want to formally annotate my function signature to clarify their contract - especially if NULL params and return val……

Java

2020-02-11

How to generate program dependency graph (PDG) from bytecode in Java

I want to generate a program dependency graph (PDG) from Java bytecode for further programmatic analysis Since this is……

Java

2020-02-11

Interface array in Java

I have an interface a: interface A { } Then I have a level B: class B implements A { } Then I have a way to use the a ……

Java

2020-02-10

JavaFX listview multi selection

I want to select multiple items from listview It responds to mouse clicks I tried this: selectedLogsList.addAll(logsLi……

Java

2020-02-10

Java – can final be removed from the class definition for backward compatibility?

I am currently reading effective java written by Joshua Bloch. Item 17 is "inherit the design and documentation, or pr……

Java

2020-02-10

Java – use the slidinguppanel library to keep the bottom view

I used slidinguppanel Library in one of my media player applications In the slide panel, I have media controls. I want……

Java

2020-02-10

How is the following java code useful in autonomic computing?

In the book I'm learning, they show this java code: Class c = ClassLoader.getSystemClassLoader().loadClass(name); Clas……

Java

2020-02-10

Java – Common underflow and overflow exceptions

I tried to get an overflow and underflow exception in Java, but I couldn't get any beautiful tutorials Specifically, I……

Java

2020-02-10

Equivalent to akka, but Net (concurrency framework)

Is there the equivalent of akka Net? http://doc.akka.io/use-cases Solution You can have a look https://github.com/phat……

Java

2020-02-10

Java – how to define whether the determination point is in the area lat, long?

I have an area defined by a set of geographical locations. I need to know whether a coordinate is in this area public ……

Java

2020-02-10

Java – type prompt functions in clojure

I tried to solve the reflection warning in clojure, which seems to be due to the lack of type inference for the functi……

Java

2020-02-10

Java – what happens if the executorservice queue is full

I have a large file up to TB. My task is to process it line by line Each line should take 5 seconds to complete To imp……

Java

2020-02-10

What does colon mean in Java?

What does a colon mean in Java? I have this: public static List<String> findAllAnagrams(List<String> words……

Java

2020-02-10

Java – how to create a text field that only supports numbers in vaadin

I'm using vaadin text field. I want to limit it to numbers only I tried to override setValue () and return without cal……

Java

2020-02-10

What type of Java constructor call is this?

I've never encountered such a thing. I don't know this type of coding! DefaultHandler handler = new DefaultHandler() {……

Java

2020-02-10

Java – JPA last update timestamp

I'm playing JPA (eclipse link is specific) The following entities have one What is the policy for automatically updati……

Java

2020-02-10

How do negative operands of bitwise operators work in Java?

-4 & -5 = -8 // How? -4 & -5 = -8 // How? -4 & 5 = 4 // How? I need to explain how to achieve the above re……

Java

2020-02-10

Java – what is the appropriate way to handle warnings: “the expression of X is loaded into X”

I'm not going to close or ignore the expression of type X is boxed into x? Warnings in I wonder if the correct way to ……

Java

2020-02-10

Java – how to prevent hibernate from eagerly obtaining many to one associated objects

I have an attribute in a domain object that is declared in a many - to - one element The basic syntax of this attribut……

Java

2020-02-10

Java – determines whether a file is a connection (in Windows)?

I've been looking for a way to determine whether a file is a connection point, and I haven't found any satisfactory an……

Java

2020-02-10

Java – draw text in JPanel

I'm looking for the most basic description of how to draw text in JPanel I know there are a billion tutorials, but non……

Java

2020-02-10

搜索内容

Java – guava eventbus scheduling

Java – get enumeration values through reflection

Calculating SHA-1 hash values in Java and c#

Java – accessing files in JUnit tests in the gradle environment

JComponent. How does paintimmediately () run in Java swing?

Java – JAXB: how to annotate classes to belong to different namespaces?

Direct Java / groovy and ETL tools (talend / etc) – which libraries will you use?

Rest Java Web services use protobuf

Java – why does a single threaded process execute on multiple processors / cores?

How to start RMI registry through Java code?

Java – Jersey: injectableprovider doesn’t pick up – spring

How to correctly use @ checkfornull, @ nonnull and @ nullable annotations of findbugs

How to generate program dependency graph (PDG) from bytecode in Java

Interface array in Java

JavaFX listview multi selection

Java – can final be removed from the class definition for backward compatibility?

Java – use the slidinguppanel library to keep the bottom view

How is the following java code useful in autonomic computing?

Java – Common underflow and overflow exceptions

Equivalent to akka, but Net (concurrency framework)

Java – how to define whether the determination point is in the area lat, long?

Java – type prompt functions in clojure

Java – what happens if the executorservice queue is full

What does colon mean in Java?

Java – how to create a text field that only supports numbers in vaadin

What type of Java constructor call is this?

Java – JPA last update timestamp

How do negative operands of bitwise operators work in Java?

Java – what is the appropriate way to handle warnings: “the expression of X is loaded into X”

Java – how to prevent hibernate from eagerly obtaining many to one associated objects

Java – determines whether a file is a connection (in Windows)?

Java – draw text in JPanel

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