包含标签：Java 的文章
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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…… -
How to kill these code blocks in Java?
caller: switch (type){ case "creature": Creature returnActor2 = getNextCreature(); …… -
Java – with mockito Strange generic edge cases inferred by when () and generic types
I'm writing a Java. Net using mockito beans. For the test case of propertydescriptor, I want to laugh at the behavior …… -
Java – jax-ws client: maintaining sessions / cookies in multiple services
I use NetBeans to automatically create web service clients from WSDL files This is good, except that the web services …… -
Java – the queue is completely wrong. Cooperate with multiple consumers and producers
I want to simulate the following scenario: multiple users and producer threads are modifying some data establish Block…… -
Java – where are the private instance variables of the abstract class created in the heap?
abstract class A { abstract class A { private int a; public A(int x) { a = x; } public int get…… -
Java – liquibase hibernate plug-in does not work
As stated herein（ https://github.com/liquibase/liquibase-hibernate/issues/74 ）I encountered a problem making the liq…… -
Java – Preparedstatement cache – what does it mean (how does it work)
I'm using, for example, c3p0 and some defined "maxstatements" for preparestatement caching Now I send a prepared decla…… -
JPA cascading persistent error
I have a one - to - many relationship: product category can contain many products This is the code: @Entity public cla…… -
Java – unable to import org.xml junit. Assert. AssertThat;
I can't import org. In my program junit. Assert. AssertThat. I use Ganymede and JUnit 4.8 one Solution Static import I…… -
Java byte array conversion problem
I have a string that contains a series of bits (such as "01100011") and some integers in the while loop For example: w…… -
Java – how do I add interceptors to all API requests except one or two?
I know that an interceptor can be added to all requests through okhttpclient, but I want to know whether headers can b……