Java
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Java – how do I get the file list from the SFTP server?
I have a problem and hope to get a solution I also wrote some code, but I need to make some changes Question: I have a…… -
Java: how to get the connection port from InetAddress?
I'm trying to use Apache Mina to build a socket server based on Java NiO I really need to know the port of the remote …… -
Java me – J2ME app and browser on mobile phone
Recently, I started to develop J2ME app prototype I noticed how difficult it is to develop a nice user interface Consi…… -
Java – on COM sun. Using generics in codemodel
Use COM sun. Codemodel, I want to generate a generic LinkedList field I can create an original field using the followi…… -
java – org. elasticsearch. client. transport. Nonodeavailableexception: no configured node is available: []
I run elasticsearch on docker, which is available locally $curl http://192.168.99.100:9200/?pretty { "status" : 200,…… -
Java – is there a delayed loading implementation of JList?
Is there any way to implement delayed loading with swing's JList? Solution In a way, yes You can create a custom listm…… -
Which simulates the optional parameters in Java better?
I have a Java method with three parameters, and I hope it also has the fourth "optional" parameter I know that Java do…… -
Java – Tomcat server timeout in eclipse
I encountered a Tomcat server problem in eclipse I received the following timeout error: Server Tomcat v7.0 Server at …… -
Java – find coordinates in circles
I'm using Google maps under Grails for mashup. Users can create geonces by selecting points and radii on the map This …… -
Java – deletes the last known entry in HashMap on map
OK, so this is a different bit I have a new HashMap private Map<String,Player> players = new HashMap<String,P…… -
MD5 uses iso-8859-1 string hash in Java
I am implementing a digital payment service interface called Suomen verkkomaksut Information about payment will be sen…… -
Java – Installation failed due to invalid URI
[2013-07-21 11:14:01 - AndroidTrial] Installation Failed due to invalid URI! [2013-07-21 11:14:01 - AndroidTrial] Inst…… -
Multithreading – switch to parallel coding
We all write code for a single processor What do we need (software tools, logic, algorithms) to implement this transfo…… -
Java – sort objects by multiple attributes
I've been studying things that require me to classify objects (soft drinks) according to three attributes - Software (…… -
Java – fast string search, such as startswith() is not equal to ()
I have a sequence list (a dictionary – 100k words) and many words are often searched in this list Therefore, performan…… -
Java – error: the main method cannot be found in the class calculate, please define the main method as: public static void main (string [] args)
See the English answer > "main method not found" error when starting program? 7 Error: Main method not found in cla…… -
Java – change eclipse getters setters syntax
Is it possible for eclipse to generate getvar1 () instead of getvar1 ()? (with capital g) Solution I doubt it very muc…… -
Java – switches the number in the int array according to the mode
I've been scanning the Internet and trying to come up with a solution for this simple program. Basically, users enter …… -
Java – last working day of last month and localdate
public static String getLastWorkingDayOfPrevIoUsMonth() { public static String getLastWorkingDayOfPrevIoUsMonth() { …… -
Java – what is the character char ‘0x8’?
I have a lot of data in the database When I try to read a part of the data, generate some XML and send it to the web s…… -
Recent Java references?
I've been programming java, but I've been away from it for some time Anyone can recommend a very good java reference, …… -
Java – why does the stream operation repeat with the collector?
Allow me to make some complaints, which may be interesting, but I want to describe: "why did you raise this question?"…… -
Java program for factorial incorrect output
I execute the following java code in the eclipse ide public class Programs { public static void main(String[] arg…… -
Combining functions and predicates in Java 8
In the isbigorder method, if the total price of the products in the order is greater than 1000, it must return true Ho…… -
Java – do not modify the list, but still get concurrentmodificationexception
This is not a typical concurrent modificationexception problem until you look at another concurrent modificationexcept…… -
Using interfaces in Java New problems
Suppose you have a displaceable interface and a class circle that implements displaceable Displaceable has a method ca…… -
How to add multiline labels on the Java GUI?
I made a Java Swing GUI Now I want to display a static message on it, but the message is multi line and jlabel is sing…… -
Java inheritance method with return type
Is it correct to write such a course? The problem is the method getprice () in the item class Each item needs a getpri…… -
Java – split string – Cartesian
The following string is given: “foo bar-baz-zzz” I want to divide it into the characters "" and "-", keep their values…… -
Java – how do I know how many objects will be created using the following code?
For strings, I'm a little confused about the object situation, so I want to know how many objects will be created with…… -
Why is the string method substring () not in camelCase in Java?
According to Java standards, we should follow camelCase But why is the string method substring () not in camelCase? Is…… -
Java 8 stream operation
Suppose I have a character stream named s Is it possible to convert a single string into a unary operation of two stri……