包含标签:Java 的文章
-
Java – * and * * differences
*What's the difference between and * *? Why** When using pattern Did not compile when compiling (". * *");? Solution S…… -
Java – Android: reverse the position of recyclerview
I'm setting up a recyclerview like a list. I want to have a button at the bottom of the list to add more views when cl…… -
Convert from swing to JavaFX?
When converting a swing project to a JavaFX project, which classes in JavaFX match the swing class? 1 - 1 is the best …… -
The Java size() function does not work in Processing 3.0
I tried to set the window size by passing parameters from image width and height in Processing 3.0 However, processing…… -
How to draw arrow JavaFX? (pane)
I need to make a directed graph from undirected I can draw line edge, but I don't know how to make arrows: public clas…… -
Java – what is notifyitemrangechanged (0, this. Data. Size()); How does it work in this example?
I understand how the onbindviewholder of viewholder works, but I don't know how notifyitemrangechanged (0, this. Data.…… -
Java – code in public static void main, or use code to call another method in main?
In the tutorials on the Internet, I often see code fragments in public static void main (String [args]), while my prog…… -
Java – error defining bean named ‘entitymanagerfactory’ in classpath resource
The following error occurred while running the spring application I'm very new in spring, so I'm very sleepy here Need…… -
Java – how to disable tlsv1.0 using spring boot and embedded Tomcat 0
I want to use spring boot (version 1.3.3) to deactivate tlsv1 0, but if application YML it doesn't work as follows: @ …… -
Java – configure Amazon SQS queue name in spring boot
I am using Amazon SQS & spring boot (spring cloud AWS messaging) I have configured a message listener to receive m…… -
Java-8 – the java8 metaspacesize flag does not work
I have a simple test code that sets - XX: metaspacesize and - XX: maxmetaspacesize to the same value I don't think Met…… -
Multithreaded (c) program threads cannot be terminated
I'm trying to complete a program that uses multiple threads (3) to distribute $4000 hypothetical scholarships Every ti…… -
Android – get notification title
How do I get the title of the notification? This is my code: – from notification service: resultIntent= new Intent(Not…… -
Java – why can’t I import appium if it’s in my gradle dependency?
I'm building with IntelliJ Community Edition with gradle This is my build gradle deps: dependencies { testCompile…… -
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 – 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 – removes the space between the toolbar and tabrayout
I have an appbarlayout with tablayout, which is located in the activity with toolbar But there is a space between the …… -
Java – use spring batch to parse dates from files to localdatetime
I'm trying to read a CSV file with a date using spring batch, but I can't resolve the date to a localdatetime object: …… -
Java – janusgraph outputs the subgraph as a graphson error
I tried to use janusgraph to output a sub graph in the gremlin shell as graphson Tinkerpop documentation for reference…… -
Summation equation in Java?
I want to know how to write this summation equation in Java But the trick is, I need the sum equal to the amount x= To…… -
How to delete a folder containing other folders in Java?
See English answers > delete directories recursively in Java 23 import java.io.*; public class file03 { public …… -
Java – replace the table name in the SQL query and the escape characters around the column name
for example query = " select "2017-06-08" as new_colum,"true" as my_flag,"column1","column2" from "table1" " The above…… -
Java – converts a list of objects with a map into a primitive array
I've been looking for something I need to do, but it's hard for me to put them together First of all, this is my goal.…… -
Java – how to create / invoke SQL views in Hibernate
This is in document hbm. Views created in XML <database-object> <create><![CDATA[CREATE VIEW docVie…… -
Java – kotlin: generic method and for loop request iterator ()
This is a simple generic method, and passing args in forgs to the for loop causes an error: fun main(args: Array<St…… -
Types – how to specify the element type in the vector of SbCl (or common LISP)?
I tried in SbCl 1.1 14, but it seems that type checking ignores the declaration of the vector element (defun test (vec…… -
Java – access to instances of static methods
I just started using Java. I was looking at the nested class topic and tried something. Suddenly, this happened: class…… -
Java – instead of creating a new string object, print a string with edit characters using a char array
The purpose of this code is to change the string "a happy" to "a hippy" String originalStr = "A Happy"; char[] charOri…… -
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 – 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 – to check whether a string can be parsed to an integer?
I want to check a string I pass to integer Valueof (string s) a valid string to parse If one is not parsed, I need to …… -
Java forced volatile access
Consider such a situation There are two threads and a shared resource (such as HashMap) A thread creates a HashMap and……