Recent Posts
-
Java – how to create a listview with multiple views
My question is – how to create a custom list view instead of just repeating a custom view, but like in instagram or ot…… -
Java – how do I wait for the alert box to perform an action in selenium?
I press the Cancel button than check some text according to my code In chrome and Firefox, it works normally, but in i…… -
Java Runtime. getRuntime(). Freememory() problem
I searched and saw some threads, but none solved the specific problem I encountered I tried to use runtime getRuntime(…… -
Java – returns only the last element in the ArrayList
I've been teaching myself Java. I've always insisted on a problem. No matter what I do, it seems that I can't solve it…… -
Java – why don’t these semicolons produce errors?
See English answer > what is the use of an empty statement (not for loop) in Java? [closed] 6 public class Main{ …… -
Java – load spring boot properties from JSON file
Is it possible to start from The JSON file loads the spring boot configuration instead of Yaml or properties？ From lo…… -
Java – spring data Cassandra: how to use composite keys to query tables?
I have the following families: @Table(value = "request_event") public class RequestEvent { @PrimaryKeyColumn(name…… -
Java – processrequest method
When is the processrequest method called? It's hard for me why, why and how to invoke process requests? The reason for…… -
Java – texture deformation, 4 points
I'm writing a simple 3D game in Java. I need code / library for texture deformation I don't want to use OpenGL Example…… -
Java – use 𞓜 to compress the basic code and operators with strings
I am a novice in Java programming I can't find any information about using | operators and strings I wonder if there i…… -
Think in Java version 4 – what is classname this. method()
Reading "thinking in Java 4th Edition", I found this example in Chapter 14: public class CoffeeGenerator implements Ge…… -
Java – sorted concurrentmodification exception
I wrote this applet to sort arrays According to my understanding, it should print 0,1,2 However, when I run this progr…… -
Java – algorithm – the largest left sub array with smaller elements
I'm developing a program. I need to get the index of elements in the integer array, so that all elements on the right …… -
Java – is it better to use inline local variables or chain methods?
If I have a series of method calls, each value for the next call, I should store them in local variables, as follows: …… -
Java – does the HTTP protocol version “http / 1.1” contain HTTPS?
I don't actually see this problem, perhaps because it is so basic I am using java Apache httpcomponent and check the r…… -
Java – adds multiple bigdecimals to a map
I tried to aggregate multiple bigdecimals from the list At present, I am using two streams, but if possible, I want on…… -
How to use libgdx to obtain mobile phone language?
I am setting the default language of my game. I hope it is the language of my mobile phone. The question is: how can I…… -
Java 8 stream – merge two sets to make them unique in a specific field [copy]
See English answers > java 8 distinct by property 20 This is the best I can do in Java, but it collects unique name…… -
Java — call Runtime. in the onLowMemory method. gc()
Should we use runtime GC () or system GC () to clear the memory in the production code in the onlowmemory () method in…… -
Why is the combiner function reduction operation not performed in the java-8 stream?
See English answers > java 8 stream – reduce function's combiner not getting executed Stream.of(1,2,3,4,5,6,7).redu…… -
Java – gson: parameter get serialized, even if it has @ expose (serialize = false)
I'm writing SDK for JSON API, and I encountered a seemingly strange problem The API is very strict in post data valida…… -
Java – return value from asynchronous rest template spring
I'm using spring to create an asynchronous rest call @GetMapping(path = "/testingAsync") public String value() throws …… -
Java – request getRequestDispatcher(). Forward create a new thread?
I have a use case that schedules requests by setting some properties and pruning the request URL to the same context W…… -
Java 8 streams can use multiple projects in a mapping pipeline
I have some data stored in the JPA repository I'm trying to process I wish I could use Java 8 streams to do this, but …… -
Java – replacing stream collection in kotlin native solutions
I am currently using the kotlin function to extract a map from a JSON structure with key value pairs The JSON used to …… -
Java – how do I capture connection events in my websocket server using spring 4?
I use spring 4, stomp and sock JS for simple web socket communication, follow this https://github.com/rstoyanchev/spri…… -
Java – directly from completable future Thenaccept return value
I tried to return a list from completable future as follows: public List<Provider> get() { CompletableFuture…… -
jsf-2 – javax. faces. Facesexception: public key for catpcha not found
I want to implement the verification code in my application, but I get this error. Can someone tell me the reason? Sol…… -
Java lambda – finds whether any string element of a list matches any element part of another list
I have two string lists A = {"apple","mango","pineapple","banana",... } B = {"app","framework",...} What I'm looking …… -
Why if comparison doesn’t work in Java
I create a hash table in Java This is part of my code while (table[pos]!=null) { if (table[pos]==key) { …… -
Java – method of overriding with different parameters
Suppose I have a parent class: class Parent{ public void aMethod() { //Some stuff } } It is a children…… -
Java – the difference between string, string builders, character arrays and ArrayList
Strings are immutable String builders are not, so you can add characters at the end String is a character array. If I'……