包含标签：Java 的文章
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Java – how to attach an HDFS file (3 nodes or less) to a very small cluster
I tried to attach files on HDFS on a single node cluster I also tried a 2 - node cluster with the same exception In HD…… -
Which is the fastest way to access native code from Java?
Which is the fastest way to call a native library from Java? What I know is >Nativecall – we currently use > JNA…… -
Migrate Weblogic EJB program to JBoss
WebLogic Server is a top-level business application server. However, for small-scale developers, JBoss, a standard bas…… -
Java – how to filter strings using numbers, dots, and commas?
OK, so there's a long string. I want to delete everything in it, except decimal numbers, commas and dots, I tried: str…… -
Java int… Array symbol
As I've seen in method parameters before, it seems that any number of parameters are allowed to fill the array created…… -
Java – spring boot deployed in Tomcat provides 404 but works independently
I've been testing spring boot with embedded Tomcat for about a month to build a rest API Everything is fine We now wan…… -
Java – recursive type parameters for almost circular type binding
I have the following two interfaces: /** * A marker interface to denote that an object implements a view on some othe…… -
Java – detect jsplitpane separation motion
Is there any way to detect when to move the jsplitpane separator? Is there any way to add a divider motion listener? J…… -
Check positive or negative without using conditional statements in Java
I had an interview question last week: I need a function to print whether a number is positive or negative without usi…… -
Java implements the compression of multiple files into compressed packages
This example shares the specific code of multiple file compression in Java for your reference. The specific contents a…… -
Java 8 Application on EC2
I wonder if anyone knows if it is possible to install Java 8.0 on EC2 instances My application is packaged as a fat ca…… -
Java – how to add the contents of a list to the end of another list?
How to append the contents of a list to the end of another list? Solution List. addAll() -
Lightweight web services produced in Java (no application server)
Is there any Java library that allows you to build a simple stand-alone Web service server without any application ser…… -
Java – JList – when you click a selected item, deselect it
If I click on the selected index on JList, I want it to be deselected In other words, clicking on the index actually s…… -
Examples of abnormal behavior in Java
Can anyone explain why the following if statement evaluates to false? public void addShapeToWhiteboard(PolyLine shape)…… -
Java – rxtx on MAC – serial port is already in use
I installed rxtx on my Mac Both Java jar program and Arduino software regard Arduino as a USB modem if they both claim…… -
Java – Dao and services?
I always have a problem. I can't really think of a service object that encapsulates many Dao methods I mean, for my se…… -
Implementation of simple and easy folder encryption with JavaScript
So today I want to tell you a good way: encrypt Windows 9x / 2000 folders. By encrypting a folder, all files in the fo…… -
Eloquent ORM code prompt phpstorm
So I just started with laravel (using V5) and eloquence I'm trying to get some basic APIs and run them, and notice tha…… -
java. lang.NoClassDefFoundError：org / springframework / context / EnvironmentAware
I am using spring MVC to create a web application I have started to integrate the spring security library When I try t…… -
Java – Stanford robot Karel throws NullPointerException
I have started to learn the programming method (cs106a) course on Stanford website I use eclipse indigo classic 3.7 1 …… -
Java square root integer operation is not cast?
Math. The sqrt() function takes double as the parameter and returns double I'm using a program that uses a perfect squ…… -
Java – which length is the string key of a HashMap that is considered a bad habit?
I always pay attention to good performance and clean code I tried to grasp whether it was reasonable to have a HashMap…… -
Java: interface vs abstract class (about fields)
From the content I collected, I want to force a class to use specific private fields (and methods). I need an abstract…… -
Java – using Apache velocity and spring framework 3.2 four
I'm new to spring. I want to use velocity to set it up Therefore, I created a new spring project, a new spring MVC pro…… -
Java – this: cannot be used in a static context
Can you help me with the following code? The error is: "cannot be used in static context" public class Sample2 { /…… -
Java – eclipse command line parameters
I know how to run my application using the run configuration menu and command line parameters My problem is that wheth…… -
Solution to the problem of Chinese garbled code in Java compressed zip file
Usually, after using java to package files to generate compressed files, there are two places where there will be garb…… -
Java – record JSON requests and responses for JSON
I have a Java Web application that exposes restful APIs My requirement is to record all JSON requests and responses pr…… -
Object oriented programming: abstract data types in Java
In this article, we will examine data types in Java, but we will introduce the concept of abstract data types (ADT). W…… -
Learn game design of Java swing from me (2)
Remember the minicooper who shuttles through the traffic of Hollywood like an elf in stealing the day? Mark Walberg an…… -
Java – multithreading – multiple users
When a single user accesses an application, multiple threads can be used. If there are multiple cores, they can run in……