包含标签：Java 的文章
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How to write windows software in Java?
I just studied Java in college However, I can only write programs that run on the command line How to use java to crea…… -
Java – what if you only reference objects from garbage?
Suppose there is an object a of class A, which holds a reference to another object B of class B This is the only refer…… -
Java – can eclipse evaluate expressions dynamically?
In some Java ides (such as BlueJ and drjava), users can open an interactive window where they can type Java expression…… -
Java Basics: static functions without names or return types
public class Main { public class Main { public static final Logger LOGGER = Logger.getLogger(Main.class.getName())…… -
Function style of Java 8 link
I have a map < < string, string >, which represents the link from a to B I want to link all possible routes F…… -
Java – how do I name repositories and service interfaces?
How do I name the repository and service interfaces and their implementation classes? For example, I have a model call…… -
Java – set up multi-directional – Android
I am a novice in Android programming. I have a problem with direction I hope my activities can only be viewed in portr…… -
Continuous integration – how do I test JavaFX 2 in a headless environment?
I tried to automatically test JavaFX 2 applications running on Java 7u6 through integrated JavaFX 2.2 As a next step, …… -
Java – how to centrally print statement text?
So I'm developing my java project, and as part of the program, I'm printing text Example: public static void main(Stri…… -
How to work in Net application to identify possible memory optimizations?
We have one Net application, our customers think it is too large-scale deployment. We want to know what will help our …… -
Processing objects according to the implementation of interfaces in Java
I have been looking for design ideas to solve this problem in Java I'm using a library (I can't change it). For this e…… -
Java – unable to initialize class com sun. xml. internal. ws. fault. SOAPFaultBuilder
I use JAXB - impl - 2.1. In the Maven library 3.jar .. Everything looks good in the POM entry If someone encounters th…… -
Java – does not override generic methods in superclasses – > which one to use?
In view of this situation: public class Animal { public <T> void genericMethod(T t){ System.out.pri…… -
Java – BufferedReader does not read all lines in the file
I tried to read / proc / net / XT in Android 6_ qtaguid / stats. 2 a0 0 0 123456 311 48329 737 48 1 3 b0 0 0 0 0 0 0 0…… -
Java – a fast algorithm for inverting ARGB color values to ABGR?
I am using intbuffer to operate the pixels of bitmap, but the value in the buffer should be aabbggrr and the color con…… -
Java – the difference between the final variable and the static final variable
I'm just studying the final data members. What's the difference between the final variable and the static final variab…… -
Java – why mine Jar files run slower than programs in eclipse?
I have a java program that reads a large amount of input data from the database, operates on it, and then writes the d…… -
Java mimetypes filetypemap always returns the application / octet stream on the Android simulator
I'm trying to determine the mime / media type stored on the Android device (actually a virtual device used with the em…… -
Java generics: wildcards
So I'm reading generics to get familiar with these concepts again, especially when it comes to wildcards, because I ha…… -
Java – JUnit testcase object instantiation
Is a new (or different) instance of the testcase object used to run each test method in a JUnit test case? Or is an in…… -
Java – use Hadoop to process a large number of small files
I am using the Hadoop sample program wordcount to handle a large number of small files / Web pages (CCA. 2-3 KB) Since…… -
Java – I was studying robolectric, but something went wrong
I'm learning robolectric My project directory is, My unit test code mainactivitytest is as follows, package com.exampl…… -
Java – why do we have to use an intermediate variable (“unchecked”) for @ suppresswarnings?
Good afternoon, everyone, I wonder why public class test<T> { T[] backing_array; public void a(int init…… -
Java lambda expressions and logging
I'm reading the new features of log4j2, and there is a feature that can be enabled "Java 8 lambda supports lazy loggin…… -
Which Java RMI / RPC / IPC technology should I use?
I am developing a Java application that contains a server and a client (there may be multiple clients in the future) t…… -
. Net – using dapper ORM to improve the performance of SQLite batch insert
I'm using a desktop application that uses SQLite to batch insert tens of thousands of rows into the SQLite database I …… -
Java – what is the optimal initial capacity of a StringBuffer for input with a very variable length?
Good afternoon, everyone. I use Java Lang. StringBuilder to store some roles I don't know how many roles I want to sto…… -
The mockbean annotation in the Java – spring boot test results in a nonuniquebeandefinitionexception
I have a problem using @ mockbean annotation The document says that mockbean can replace beans in the context, but I g…… -
“Error: java_home is not defined correctly.” Building jikes RVM
When I built jikes RVM on Ubuntu, I received this error Any ideas? bin/buildit localhost production ---> Config: pr…… -
. Net – why ignore dataannotations when using a DataGrid with autogeneratecolumns = “true”
I'm using WPF DataGrid to bind to a collection of custom classes Using autogeneratecolumns = "true" in grid XAML, the …… -
Java – ora-24816: extended non long bound data provided after the actual long or lob column
I encountered an exception while updating the table in hibernate Ora-24816: extended non long bound data provided afte…… -
How to convert a sample dataset from R package “spatstat” to ShapeFile
I write a kernel density estimator in Java, which inputs and outputs the GeoTIFF image of the estimated surface in the……