Java
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How to use Java libgdx to effectively read text files of floating point numbers?
I am writing a small scientific data visualization application in Java / libgdx The application first reads the text f…… -
Java – Android / gradle / unity – contains all dependencies in the AAR plug-in
I want to build a plug-in to wrap unity's latest Google cloud messaging API (GCM) I wrote java code to implement it an…… -
Java – what is the motivation for attributes?
I'm a little confused about why language has these I'm a java programmer at the beginning of my career, so Java is the…… -
Java – why not = = work on a string?
See English answers > How do I compare strings in Java? 23 When I run this code, whenever I type "boy", it will onl…… -
Java – invalid name pattern when trying to pass custom Oracle type object mapping
Java spring customizes the Oracle type as a parameter and gets the following error I don't understand what the invalid…… -
Java – how to split large XML into small pieces using vtdgenhuge?
I want to break the large XML into small pieces I am using vtdgen to split the XML file into small pieces, which is su…… -
Java – executorservice seems to run threads on the UI?
Iam tried to use executorservice to run some code to connect my client to the server Obviously Iam tried to make it ru…… -
Boolean expression optimization in Java
Consider the following methods in Java: public static boolean expensivecomputation() { for (int i = 0; i < Inte…… -
Java – check if the file is open
I need to write a custom batch file renamer I've done most of the work, except I can't figure out how to check whether…… -
Java – int / long,float / double
I understand that "2.5" is automatically double. In order to make it a floating point number, I need to do "2.5f" (or …… -
Java – create route on camel using domain
I'm running an instance of Apache camel to proxy requests to another server (depending on the URI) The server camel is…… -
Java – LL1 Boolean operator grammar implements a recursive parser
This is a small piece from the original syntax, and I have to implement the correct parser for recursion We must remov…… -
Java – hosting private Maven artifacts in the GitHub repository
I use the following solution hosting a maven repository on GitHub to host a private Maven repository on GitHub I have …… -
Java beginners about string [] args in the main method
So I'm just trying to exclude string [] args from the main method It's assembled! But the JVM is displaying an excepti…… -
Java – set the orientdb of the shard
I'm trying to set up on 3 servers For example, I am >Node1 is a client_ 1 and has a client_ Copy of 2. > Node2 i…… -
Java – camel routing unit test result failedtocreateroteexception
I want to unit test the camel route This is a sandbox example to illustrate the exceptions obtained during unit testin…… -
Java-405 error code when calling from Jersey rest client
I am requesting a put operation, and I redirect to the get service URL after the request is executed Here, I face the …… -
Java – word counting using streams
I try to use streams in Java to calculate words This is what I tried: public static int countWords(String s) { ret…… -
Java – does spring data JPA need eclipse links and Hibernate?
I've changed spring data from 1.7 1 upgrade to 1.9 0 and get dependencies and compilation errors immediately: For vari…… -
Java generic pairs stored in HashMap cannot correctly retrieve key – > value
This is pair java import java.lang.*; import java.util.*; public class Pair<TYPEA,TYPEB> implements Comparabl…… -
Java: faster overloading or if / else
I have children's classes, and each class has other members who bring different types of value There may be longobject…… -
Java – add “http: / /” before my address
I extract addresses from a source, but some extracts do not have http: / / addresses in front of them. How can I check…… -
Assembly – sometimes why do we need to disable interrupts when A20 is enabled?
In some codes of osdev wiki for enabling the A20 line, we have cli interrupt command In others we don't have them For …… -
Java – what is the difference between these two urlencodings of URL
Some queries encoded UTF - 8 I sent to the server did not return the expected results Namely http://direct.jthinkws.co…… -
Java – how does limit in MySQL query make it possible to cancel flow
I want to know how the limit in the query prevents the application thread read from the MySQL stream from hanging duri…… -
Java – causality requirements in JMM
I try to understand JMM's causality requirements This part of JMM describes https://docs.oracle.com/javase/specs/jls/s…… -
JAVA EWS item. Load throws request failed Still assign connections
I hope someone can help me This is the code snippet that threw the exception: if (mailList != null){ f…… -
String garbage collection in Java: or why consume so much memory
Solved I try to understand why one of my unit tests consumes so much memory The first thing I do is run a test and mea…… -
Java – how to use Facebook to log in and get user information to send my remote database from Android Applications
Hi, I'm a new Android Developer. I need to save user information on my remote database I'm going to use Facebook and G…… -
Java – how to build a jar for a specific operating system using Maven?
I am using Maven for eclipse to build a jar that can run on a remote server My system is running OS X and the server i…… -
Java – the host who insists on using a dagger in the activity
When you inject a presenter into an active range rotation, how do you keep the presenter active? My understanding is t…… -
Java – spring, oauth2: Lost authentication details after refreshing token
I have two spring applications: authentication services and business services When a web service user authenticates on……