Recent Posts
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Java – how to prevent hibernate from refreshing in the list?
I have a simple hibernate query, such as: from MyEntity where name = ? It's not fancy, but it's called many times in a…… -
What are some prominent real-world applications of Java?
I am a beginner programmer. The I & CS course in our school let us start learning Java In my opinion, C and its se…… -
Java – do you have to know the machine architecture for writing code?
Suppose I use Java or Python or C programming to solve a simple problem, which may be to build a TCP / UDP loopback se…… -
Java – given a list of IP addresses, how do you find min, max?
In Java, I have an ArrayList of IP addresses How do I find the minimum and maximum values? I have used collection Min …… -
Java – JSTL for each in JSF 2
Hi, I got the following code: <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTM…… -
Java gets the first two decimal digits of a double
I have a huge double, and I want to get the first two decimal numbers as floating point numbers Here is an example: do…… -
Java – what’s wrong with this clone()?
I have written this cloning method when the parent class of the Employee class is abstract and the clone () method in …… -
Java – LinearLayout: align with the right of the parent object
Consider the following XML <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas…… -
Java – create new instances of classes or allocate only space in memory?
UPDATE public Fish mate(Fish other){ if (this.health > 0 && other.health > 0 && this.closeEnou…… -
Java – accessing property files in spring expression language
I created a simple web application using spring boot with thymeleaf I use application Properties file as configuration…… -
Java – bad operand type of binary operator ‘^’
Try to create a recursive method to promote a double value to the int permission of the java course The instruction sa…… -
Java observer and observable do not work properly between applications
I have an application that contains the main JFrame of the default list model I hope that if I modify the contents of …… -
Java – eclipse generates getters / setters for domain objects and class members with’m ‘suffixes
I have a small problem with the getter and setter methods generated in my domain object class User{ String mName; List…… -
Java – sort the (array) list in a specific order
I have a list of objects that I want to sort in a defined order Before sorting: After sorting: orange …… -
Java – lwjgl cannot find the display class
I have installed lwjgl into the Java project. I can't import the display class import org.lwjgl.opengl.display; An uns…… -
Java – accessing application properties in spring MVC
New features of spring MVC I think so Two properties are stored in the properties file (uploadfolder =.., downloadfold…… -
Java – double check locking using regular HashMap
Back to concurrency So far, it's clear that for double check locking, variables need to be declared volatile However, …… -
Java – lwjgl cannot find the display class
I have installed lwjgl into the Java project. I can't import the display class import org.lwjgl.opengl.display; An uns…… -
Maximum limit for Java arrays
I tried to create a 2D array in Java, as follows: int[][] adjecancy = new int[96295][96295]; But it failed with the fo…… -
Java – how do I get host names based on IP addresses?
I want to find the host name based on the IP address given in the program Solution Yes, it may import java.net.*; publ…… -
Java – add filters to Project Explorer in eclipse
I want to add a new filter in Project Explorer to hide it from users in @ L_ 301_ 0 @ some projects automatically crea…… -
How to use Java’s org w3c. dom. Get text from node_ TagName for node
In the interface's documentation, it declares that text nodes return "#text" as their name instead of the actual tag n…… -
Will the “count limit” expression of the Java – for loop be evaluated only once, or each iteration?
If I call the method in the conditional statement of the loop, do I call it at every iteration of the loop? For exampl…… -
Java – fastvector type is not recommended
I tried to get an arrf extension output file from a multidimensional array in Java I imported the Weka library, but I …… -
Java – how do I close a socket immediately, bypassing the timeout period?
In Java, when you close a socket, it doesn't do anything, but it actually closes the TCP connection after the timeout …… -
Java – SVG files are rendered in Android
to update: Facts have proved that it is not easy for batik to work on Android, and there is an easier way to use SVG o…… -
Android Bluetooth – how to start pairing
I want to initiate a pairing request on a non Android device (not connected at this time). This can be found on the se…… -
Unable to open database – Android
You can execute the following SQL statements to do this: CREATE TABLE“android_Metadata”(“locale”TEXT DEFAULT’en_US’) N…… -
Java NiO – memory mapped file
I recently encountered this article, which provides a good introduction to memory mapping files and how it is shared b…… -
Java – how to dynamically change jlabel
I have a jlabel and a button. Jlabel displays the number of button presses, but I can't calculate how to update the jl…… -
Java – calculates the number of “trues” of N Boolean values
Boolean a,b,c,d; Boolean a,b,c,d; I want to count the number of trues. Each result should have its own associated acti…… -
Java – how to get foo Object Value?
(this is a follow-up to my previous question) I have a foo Object, foo Foo < T > is an interface How to get hid……