包含标签：Java 的文章
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Enable MySQL general query log using JDBC
Is there any way to enable MySQL general query records through JDBC? The closest thing I found through my search was t…… -
GWT test error NoClassDefFoundError: COM / Google / GWT / dev / CFG / condition
Maybe someone can help me. I try to write my first GWT unit test, but this is the problem. When I run my test with mav…… -
Java – Android home screen shortcut permission error
In my program, it adds shortcuts to the screen I get the icon on the screen, but when I click it, I get: 03-01 20:00:2…… -
Java: use decimalformat to format doubles and integers, but keep integers without decimal separator
I tried to format some numbers in a java program Numbers will be double and integer When dealing with double precision…… -
Java – I need to know how Haskell represents data and can write a good Haskell program?
I'm learning Haskell from a Java background When I program java, I think I know very well how objects are arranged in …… -
Java – real ORM: how to handle maps?
I'm creating an Android application. I need to persist map < string, MyClass > Solution As you've noticed, real …… -
java – Resources. Openrawresource () releases Android
I have a database file in RES / raw / folder I'm calling resources Openrawresource(), the file name is r.raw Filename,…… -
java – System. What input class does in belong to and why?
code import java.io.*; class ioTest1{ public static void main(String args[]){ System.out.println(system.in.g…… -
Java – add / remove items to the array in Amazon dynamodb
I'm looking for the most efficient atomic method to add an item to an array in a dynamodb object Now, I see that the o…… -
File based merge sorting of large data sets based on Java
Given a large dataset that is not suitable for memory, are there any libraries or APIs that perform sorting in Java? S…… -
Java – int cannot dereference
I started in Java (I was learning microedition), and I got this error: "int cannot dereference" in the following class…… -
A good source of news about Java trends
Some people can recommend several good websites / blogs / RSS / podcast. Those who are interested in Java can keep abr…… -
Two implementation methods of Java Dynamic agent are explained in detail
The dynamic proxy of Java is described in the API connecting to Java, which is not written here. I understand the agen…… -
In Linux 7 Install JDK + Tomcat + Oracle9i on 1
This paper draws lessons from http://www.puschitz.com/ Article: installing Oracle 9i on RedHat Linux 7.1, 7.2, 7.3, 8.…… -
Java – eclipse does not refresh project files in the package Explorer view
Today, I saw eclipse 3.5 for the first time in three months Strange behavior of First, when I run a main function, it …… -
Java – core J2EE Patterns and practices are still read related?
I have been using java for some time (about 12-18 months) and want to know whether the core J2EE book is still relevan…… -
Zoom JavaFX: scrollevent scrolls when the content size exceeds the scrollpane viewport
I have an application that needs to enlarge scrollpane, but I still face two challenges In order to copy the problem, …… -
Java read word excel PPT file code
POI: http://jakarta.apache.org/poi/index.html PDF@R_681_2419 @: http://www.pdfbox.org/ -
Standard for programming “beautiful” code in Java?
I'm reading some books about coding standards in Java But there are some things that bother me For example, a method n…… -
Java – how to wrap a sublist in JAXB
When trying to map customers, > order 1: n relationship with JAXB 2.2 6 I want to get The current results are: <…… -
Java – mockito, strange behavior of @ injectmocks final field
What I saw was a mistake@ Injectmocks does not seem to create a new test topic before each test method@ Mock's place I…… -
Java – why do files uploaded to S3 have content type application / octet stream unless I name the file html
Even if I set the content type to text / HTML, it ends up as an application / octet stream on S3 ByteArrayInputStream …… -
Java 8 streaming to file
There is already an answer to this question: > modify file using files lines1 For reading, there is a good file Lin…… -
Implementation of HTTP file queue Download with Java
Preface many users may encounter such a situation: they find a good resource on the website, but the resource is divid…… -
Java – enter stream Read returns 0 or – 1?
What's the difference? byte[] buffer = new byte[1024]; // this: if (inputStream.read(buffer) > 0) { /*...*/ } // an…… -
Generic default constructor Java
public class Sample<T>{ public class Sample<T>{ T data; Sample(){ data = ????; } } How do …… -
Detailed explanation of the definition and use of variable length parameters in Java
Java can define variable length parameters (varargs) for methods to match an uncertain number of parameters, which are…… -
Ten skills of connecting Oracle database through JDBC
The Java database connection (JDBC) API is a series of interfaces that allow Java programmers to access the database, …… -
Java – compilation errors using NetBeans 8 but lower than lambda expressions
I'm using NetBeans 8 When my code contains a lambda expression and I try to compile, I receive the following error mes…… -
Java – advantages and disadvantages of data sorting in database?
Let's say I have a table with a varchar type table And I need to get the data in the table alphabetically from the fie…… -
Java – how to enable batch insert in Hibernate?
Using hibernate, when I try to enable batch insert <property name="jdbc.batch_size">50</property> I get th……