包含标签：Java 的文章
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Methods for creating custom Java annotation classes
If you are already using java programming and any popular frameworks such as spring and hibernate, you should be very …… -
Java implements the method of reading files in segments and uploading them through HTTP
This example describes the method of reading files in segments and uploading them through HTTP in Java. Share with you…… -
On parsing and generating JSON using java
JSON overview JSON, namely JavaScript object notation, is a subset of JavaScript object notation. It has the following…… -
Method of operating excel with Java
This paper describes the method of operating excel with Java. Share with you for your reference. The details are as fo…… -
An example of an infinite loop caused by a for statement in Java
For loop is often used in java development. It is very helpful to simplify business processing and improve efficiency.…… -
Discussion on the method of overload in Java
Reload (reload method): Java allows multiple methods in a class to have the same name, but with the same name, they mu…… -
Multithreading – is there a way to kill all forked threads in a ghci session without restarting it?
Based on my previous question, I would like to ask if there is any way to kill all user created threads in ghci sessio…… -
Using XOR operator to encrypt string in Java
Through the XOR operation symbol and a specified value, the value of each character of the string can be changed, so t…… -
Java – how to find the arctangent of a line?
I have a line (x1, Y1) and (X2, Y2) I want to use Tan inverse to find the angle of the line. How can I do this in Java…… -
Java – why can interfaces only be declared in top-level classes?
OK, I know this is the rule: I just want to know why and what might happen if interfaces were allowed to be declared i…… -
Java implementation to find the depth and width of binary tree
This is a common operation on binary tree. To sum up: Set the data structure of the node as follows: -
JDBC operation MySQL database instance
This article describes the method of JDBC operating MySQL database. Share with you for your reference. The details are…… -
How to make the second GitHub pull a request when a is suspended
I have used other versions of control systems before, but I have little experience with GIT and GitHub I want to contr…… -
Java – JSP, which can be like yield, layout and content in ruby / rails / Erb_ For similar
I'm trying to figure out how to reuse JSP code most effectively Example: main_ layout. erb. html <html> <he…… -
Record Java comments
Are there any libraries that can record variables by adding comments: @Log String someValueToLog = someMethod(); @Log…… -
Java – using spring MVC and accepting post requests with wrong JSON will result in returning the default 400 error code server page
I'm using the rest API Receiving a post message with bad JSON (such as {sdfasdf}) will cause spring to return a 400 er…… -
Java HashSet equals C
If there is something similar to Java hash set in C, I'm curious I am a quick browsing data structure because I can on…… -
Java inheritance – instance variable override
Why is the instance variable of a superclass not overridden in inheritance? Solution Because inheritance is to modify …… -
Java – understanding eclipse classpath declarations
I'm trying to understand the eclipse classpath file, especially what I want to know: >How does JRE use it (that is,…… -
Java – using annotations to handle delayed binding to dagger2 diagram
On this issue, I talk about dagger 2 Dagger 2 basically consists of components and modules Here is an example: Suppose…… -
Error using Weka API: class attribute not set in Java code?
I tried to use the Weka API in my java code I use j48 tree classification to classify my dataset in MySQL database, bu…… -
Java – ehcache key type
In ehcache, when adding elements to the cache: cache.put(new Element("key1","value1")); // Element constructors : Ele…… -
Java – publish multiple ports with one service using jax-ws 2.0 and @ webservice
I want to create a soap service that exposes multiple port types, each of which has a separate interface I'm trying to…… -
Given that an object is an array of any type, how to test that it is empty in Java?
Please help me fill in my isempty method: public static boolean isEmpty(Object test){ if (test==null){ ret…… -
Java – use stack swap API
I have tried to upgrade the stack overflow problem with the stack exchange API and failed I've tried a lot, but I didn…… -
Index creation in elastic search through Java API
I use the following code to create an index in elastic search, Settings settings = ImmutableSettings.settingsBuilder()…… -
Java – hibernate L2 cache does not seem to work properly
I am currently trying to run hibernate using the cache provider that comes with hibernate net.sf.ehcache.hibernate.Sin…… -
Java – Eclipse: is there any way to use method bold in this class when displaying the method list (ctrl space)?
Erosion: When displaying the method list (ctrl space), is there any way to find the method name in this class in bold?…… -
Java – the problem of split code algorithm
I have successfully implemented a split code algorithm in Java The algorithm itself is very simple, but I have trouble…… -
Java – how to set default method parameter values?
See the English answer > does Java support default parameter values? 17 Example: if there is a method public int do…… -
Java. util. HashMap – why does HashMap extend abstractmap and implement it?
See English answers > Why do many collection classes in Java extend the abstract class and implement the interface …… -
Java – can I open several instances of eclipse at the same time?
I wonder if I can open several instances of eclipse at the same time I am using it for java development I know that I ……