Recent Posts
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Java – Android enables the back button in WebView
I'm using the following code to display WebView in my android app package com.company.myapp; import com.google.androi…… -
Java – applies a regular expression to a string that is a small byte array buffer that buffers a large file
I'm reading a file that I can't buffer at one time because its size ranges from 256MB to 2GB After opening the file, I…… -
Java – how to avoid using getters and hard coding the UI?
I want to print a description of a soldier on the console, including the strength of the soldier and the weapon of the…… -
Compare Java. Net in Java sql. The right way to time
Which method can compare time in Java? I mean Java sql. Time. Or is there a better way to compare joda time? Solution …… -
Java – how to send a string from a worker thread to a text area?
public class Client1 implements Runnable{ public class Client1 implements Runnable{ ServerSocket serverSocket = n…… -
Java regular expression – matches all strings except a few
I have these strings in the array. I want to iterate over the array and find matching data (check one row for each mat…… -
Java – spring hibernate JDBC batch size
I have several scenes. I think it's a little unclear from hibernate documentation Data class: class HibernateDao { …… -
Java – wsimport generates incorrect code
I use wsimport to generate my java stub file To do this, I used an ant build file in Eclipse: <taskdef name="wsimpo…… -
Java V Scala from a concurrency Perspective
I'm starting my last year's project now I will study concurrency methods from the perspective of Java and scala After …… -
Java – simple asynchronous I / O: many threads, one file
I have a scientific application that I usually run in parallel with xargs, but this scheme will lead to repeated JVM s…… -
Java – generated code not considered during Maven compilation
I have a maven project that generates a new class from the annotation processor during compilation The class was succe…… -
Java – Liferay JUnit mockito test
I'm trying to test my Liferay portlet plug-in code using JUnit and mockito At present, I am simulating the service imp…… -
Java – scheduled tasks in jetty
I want to write a simple groovlet that runs a task periodically and uses the jetty container What is the easiest way t…… -
Java – typesafe delegation without instanceof
I have a service program: filter(List<Criterion> criteria); Is there a good way to internally assign method call…… -
Is there the equivalent of colander / dictshield for Java / Scala?
Colander is a python pylons tool for: It is a bit like orm of semi-structured data; In my opinion, it will be particul…… -
Java – check if there is a card with name in CardLayout
I have a CardLayout. I only add cards as needed Therefore, when I need to display a specific card (identified by its n…… -
Java – can I return hibernate entities as the return value in jaxws web service methods?
Anyone can tell me that I can return a hibernate entity as a return value in a jaxws web service method! Indeed, I hav…… -
Java – queue implementation using circular arrays: which method can you adjust the size of circular arrays?
I'm using a circular array to implement a queue, and I'm a little stuck in the resize () method implementation (when t…… -
Java regexp: which is faster: a series of simple or a complex?
I'm writing a program that has to delete quite a lot of garbage I use regular expressions, and because my program is q…… -
Java – add the difference between string literals and string objects
What is the difference between adding string literal and string object? for example String s1 ="hello"; String s2 …… -
Java – store data from Excel files from Android Applications
My application generates data that I want to share, such as transferring to my PC and working or sending to others as …… -
Java – when the direction changes, the activity will continue to restart
How can I prevent the activity from restarting when the screen rotates or the user slides the keyboard on the phone? I…… -
Java – what is the best way to verify multiple instanceof with basic types (for example, switch case)?
I searched the answer here, and every post I found is actually the "fragment" I am looking for I want to find a better…… -
Java – find the nearest point (nearest neighbor) of each point
I'm writing a method that takes an array of points as input and finds the closest point to each point in the array exc…… -
How to require two types of parameters when passing to a method in Java
In one class, I have to call the constructor of another class that requires two parameters, ihelloserviceconnectionobs…… -
Java – what is logging and how is Apache commons logging used?
What information does the web application server want to record and why? as far as I am concerned org.apache.commons.l…… -
Java – ArrayList as parameter?
I want to know how to create a method that takes an ArrayList of integers (ArrayList) as a parameter and then displays…… -
Java – how can I repackage a jar file that contains all the dependencies?
I'm developing an application that should run independently However, this project involves a project with a large numb…… -
Design pattern – the difference between facade and business delegation pattern
What is the difference between facade and business delegation design pattern Are they all used to hide business logic …… -
Java – bouncycastle error: the key type in the ECDSA based signer is not recognized
I have been using bouncy castle's encryption library and RSA's encryption library for some simple tests What I'm doing…… -
Java – serialization and subclasses
If I define a class as serialable, when I create a subclass, it will require me to define a serialVersionUID Is this n…… -
Java – JNA pointer retrieval value
I am using JNA to access a DLL, everything is normal... I am debugging! The problem is that I run my java code in non ……