Java 归档 - Page 55 of 655

How should message generators identify themselves in Java?

I have a unified message object queue with multiple producers and one consumer Consumers are publishing information an……

Java

2020-09-06

Java – parses user input about search criteria

I'm looking for a way to parse some user input The input should show which searches must be performed and how they mus……

Java

2020-09-06

Java – Generic ChangeListener

Scenario: I have a container object that contains a mixed object package. All objects inherit from the mycontainerdobj……

Java

2020-09-06

Java – how do I combine two streams?

I'm trying to learn / understand the flow in Java and have this Code: List <Tag> tags = (classA.getTags() != nul……

Java

2020-09-06

Java – equivalent to JFrame What is the AWT of setdefaultcloseoperation?

We use the setdefaultcloseoperation (JFrame. Exit_on_close) method of JFrame I want to support the native look and fee……

Java

2020-09-06

Java – use streams to map to 2D arrays

I'm trying to create a 2D string array using streams: String[] fruit1DArray; String[][] fruit2DArray; Map<String,S……

Java

2020-09-06

Java – Scala / lift RSS feed

I'm looking for a simple one or two lines of code to get this PHP RSS feed: I'm using Scala / lift to relate to NetBea……

Java

2020-09-06

Java – how do I return multiple elements from a collection?

In the list, I need to replace each element with the sum of this element and all previous elements The first element d……

Java

2020-09-06

Java – when using Proxool, do you need to explicitly close each getconnection()?

I'm writing new database connection code and think I'll try Proxool as the connection pool implementer Usually, progra……

Java

2020-09-06

Create a tool for dynamically generating code in Java (in eclipse)

In visual studio, I was able to define a structure in the XSD file and add a special attribute to it, which will cause……

Java

2020-09-06

Java – how does a servlet work?

I've written several servlet programs, but I don't think I fully understand how servlets work So this is a husband and……

Java

2020-09-06

Bouncing ball in Java

This may be a very basic question, but I can't seem to find any other articles Anyway, I wrote a little bouncing ball ……

Java

2020-09-06

How can I help the Java Tomcat process regain used memory?

We are running a web application using java 64bit 5 gigs - Xmx maximum heap size We have no control over java code We ……

Java

2020-09-06

Java – is there a way to hide annotations in NetBeans or eclipse?

It may be a silly question, but it would be nice to have a way to hide or collapse Java comments when viewing source c……

Java

2020-09-06

Java – understanding integer Logic behind the implementation of highestonebit() method

The Java integer class has a static method, highestonebit method, which will return a value with a single bit, which i……

Java

2020-09-06

Java – why is this loop not infinite

See English answer > why does increasing a Java int eventually result in a negative number? 4 Why is there a one se……

Java

2020-09-06

Java – can I automatically update hibernate POJOs and mappings in NetBeans after adding a new table?

I already have hibernate mapping files and POJOs created by NetBeans, and I have added named queries and additional me……

Java

2020-09-06

Java – how to divide an ordered list of integers into sub lists of uniform size?

Does anyone have a good algorithm to get an ordered list of integers, that is: In a given number of ordered sublists o……

Java

2020-09-06

Comet programming and ASP net

If an event occurs on the browser, I want to push the data to the user's browser We can do this using commet programmi……

Java

2020-09-06

Java – JIT – micro optimization – if statement elimination

We assume that we have the following code: public static void check() { if (Config.initialized) { ..……

Java

2020-09-06

Java – how to sort a two-dimensional array in dictionary order?

Suppose we have a two-dimensional array as follows: int[][] source = { { 3,5,6,1},{ 3,3,-6},{ -1,-3,-5,{ 124,43……

Java

2020-09-06

Java – how to collect logs in JBoss related to a single request?

I am developing a Java EE web application running under JBoss I want to do the following: when a user sends an HTTP re……

Java

2020-09-06

Java dynamic proxy without target object?

Strange question How to use Java's call interceptor when using a dynamic proxy without actually owning the target obje……

Java

2020-09-06

Java 8 – streaming with objects and raw wrappers

I am using the Java 8 stream and trying to modify the object content in the foreach terminal operation The problem I f……

Java

2020-09-06

Java – pass reference type variables as method parameters

After running the following code, I get this output: Who can explain why the value of a variable of type person is cha……

Java

2020-09-06

Java – regular expressions that match strings from partial or hump cases?

Given a partial or humped string, I want a regular expression match For example, if the search set contains the string……

Java

2020-09-06

A module error occurred while running the JavaFX media application

When I run a JavaFX 11 application with the following command: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -p ~/.m2/r……

Java

2020-09-06

Java – shared variables without synchronization

I read from Java concurrency in practice that it is not good to share variables in threads without synchronization How……

Java

2020-09-06

Java – finds the second min element from the array

Anyone can convert it in the Java function style (lambda): public int findSecondMin(int arr[]) { int min = Intege……

Java

2020-09-06

Java – HTTP request object

Is there an object in standard Java se that can accept HTTP requests from sockets? I've found how to create and send o……

Java

2020-09-06

Java 8 stream priority filtering

My code looks like: for (SomeObject object : objects) { if (object.getSomething() == Something.somethingHighPriori……

Java

2020-09-06

How to rewrite the valuemapper function using java lambda

Is it possible / correct (to) or rewrite the following with lambda? Here, I provide an inline implementation for the k……

Java

2020-09-06

搜索内容

How should message generators identify themselves in Java?

Java – parses user input about search criteria

Java – Generic ChangeListener

Java – how do I combine two streams?

Java – equivalent to JFrame What is the AWT of setdefaultcloseoperation?

Java – use streams to map to 2D arrays

Java – Scala / lift RSS feed

Java – how do I return multiple elements from a collection?

Java – when using Proxool, do you need to explicitly close each getconnection()?

Create a tool for dynamically generating code in Java (in eclipse)

Java – how does a servlet work?

Bouncing ball in Java

How can I help the Java Tomcat process regain used memory?

Java – is there a way to hide annotations in NetBeans or eclipse?

Java – understanding integer Logic behind the implementation of highestonebit() method

Java – why is this loop not infinite

Java – can I automatically update hibernate POJOs and mappings in NetBeans after adding a new table?

Java – how to divide an ordered list of integers into sub lists of uniform size?

Comet programming and ASP net

Java – JIT – micro optimization – if statement elimination

Java – how to sort a two-dimensional array in dictionary order?

Java – how to collect logs in JBoss related to a single request?

Java dynamic proxy without target object?

Java 8 – streaming with objects and raw wrappers

Java – pass reference type variables as method parameters

Java – regular expressions that match strings from partial or hump cases?

A module error occurred while running the JavaFX media application

Java – shared variables without synchronization

Java – finds the second min element from the array

Java – HTTP request object

Java 8 stream priority filtering

How to rewrite the valuemapper function using java lambda

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