包含标签：Java 的文章
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Java 8: default method for automatically synthesizing multiple interfaces
I have classes that implement multiple interfaces with the same default methods I want to know how to synthesize defau…… -
Java – spring: you cannot connect to JMX server from behind the firewall using RMI
My spring application runs on the machine behind the NAT firewall (pfsense) The internal IP of the machine is a.b.c.d …… -
Java-8 – pass the Java 8 stream mapping function as a parameter
I have a comma separated string that I want to convert to an array But in some cases, I need integer parsing, and some…… -
Java – how to visualize recursion
I try to understand recursion in Java through visualization I've taken some tutorials on youtube and used one of the e…… -
Repeated projection of Java nested mapping
Why does the actor work? import java.util.HashMap; import java.util.Map; public class TestMap { public static voi…… -
Java 8 lambda specifies the map type and makes it immutable
I have the following code, generated using Lambdas for several months Map<Integer,String> tempMap = new LinkedHa…… -
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 – 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…… -
Neo4j – Java heap space Wrong query or setting?
I have neo4j a problem introduce I have to build an application that stores bus / train routes This is my architecture…… -
Java – specifies the specific enumeration passed to the method in the mockito doreturn method
I have a JUnit test. I have an object simulated in a class Let's call the mocker class with @ mock of mymanager named …… -
Java – how do I update the sample to use the latest versions of Jetty (9.1.0. RC2) and Jersey (2.7)?
I've been trying to follow this example, but I'm not lucky At the suggestion of the following reviewers, I decided to …… -
Java – spring boot gradle – where to place the environment configuration?
I am using a simple application in spring boot It is developed locally (and effective): >Gradle, > H2 database, …… -
Java – split image into parts
I know there are many topics about this, but none really suits me The image should be saveable I tried bufferedimage, …… -
Java – libgdx – the best way to adjust the flame rate in the cycle
I'm making 2D platform games / shooting games with libgdx I'm doing this cycle. Pressing and holding the fire button w…… -
Java – create multiple jlabels and jtextfields in a less redundant way?
Anyone familiar with the Java GUI – swing package... And knows how to create multiple swing objects in a loop, such as…… -
Avoid NoSuchElementException in Java 8 streams
This problem is a follow-up to the earlier problem: adding up bigdecisions using streams The problem is related to add…… -
Java – @ datetimeformat not recognized
I tried to annotate a localdatetime object with @ datetimeformat My main idea is that once a string is received in the…… -
Match two very large vectors with tolerance (fast! But workspace reserved)
Consider that I have two vectors One is the reference vector / list, which includes all values of interest and a sampl…… -
How to declare a class containing generic type fields in kotlin?
I have a data class in kotlin data class APIResponse<out T>(val status: String,val code: Int,val message: String…… -
Go – concurrent file system scanning
I want to get the file information of the files in the directory (file name and size, in bytes) But there are many sub…… -
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 – 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 – after successful matching, continue to match the scala switch of the next case
How to execute another case block after executing one case block in a Scala switch statement (in Java: no interruption…… -
Find the maximum product of negative numbers in Java
I'm taking a semi - advanced course in Java I taught myself JavaScript as a hobby, so I'm not a real beginner, but I'm…… -
Java – unexpected tags in kotlin (use; separate expressions on the same line)
I use kotlin in my android project, which is developed on Java. I use kotlin data classes in the service layer Now I w…… -
Java-8 – sum and max values in a single iteration
I have a list of custom callrecord objects public class CallRecord { private String callId; private String aN…… -
Java – how to calculate the length of multiple strings
I have a string like this: Hey, my name is $name $; I'm over $years old. I like playing $sport $. I live in $country $…… -
Java 8: merge 2 string lists into the map
See English answers > clearest way to combine two lists into a map (Java)? 15 List<String> keys List<Strin…… -
Java – mulestudio Studio: Studio target failed to execute
I copied / pasted a work project in the mule studio workspace (from mule studio) to create a new project After that, I…… -
Java moves left and fills zeros
I want to move left, but fill in zero, just like int number = 20 >>> 10 = ( 0000 0000 0000 0000 0000 0000 000…… -
Java – unable to parse the import org. Org springframework. test. context. junit4. SpringRunner
I'm trying to solve this problem from now on But I still haven't solved it I just got out of spring IO downloads a spr…… -
Unit test – unit test vertx – Java util. concurrent. TimeoutException
I'm trying to test HTTP calls from the vertx webclient unit using the rxified version of vertxunitrunner and vertx The……