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Java – string index using replace all is out of range

How to replace mapdir surrounded by < >? To a certain string? String mapDir = "D:\\mapping\\specialists\\ts_gpc\……

Java

2020-08-27

Is it safe to run more than 1K threads in Java?

I'm making a program that tries to get all the possible results Threads in the program generate more threads (slightly……

Java

2020-08-27

Java – JBoss wildly and Jersey web service deployment error jbas011859: naming context is read-only

I am using Jersey servlet (1.18.1) to process Java Web services projects When I deploy my ear file to JBoss wildfly (8……

Java

2020-08-27

Java – Jersey records all response times of the service

I have a Java application and I want to record all execution times of each rest service How to measure the execution t……

Java

2020-08-27

Java – container level versioned library shared by war

In a java servlet container (preferably tomcat, but if this can be done in another container, then say so) I want some……

Java

2020-08-27

Multithreading – Perl threads separate themselves

I'm new to Perl (and programming, too) and have been playing with threads for the past few weeks. So far, I understand……

Java

2020-08-27

Java – what is the difference between using @ import and @ importresource annotations in the spring framework?

I am studying for spring core certification, and I suspect it is related to the use of @ import and @ importresource a……

Java

2020-08-27

Java – how to crack this synchronization code?

I have the following code snippet synchronized (mObject) { if (mObject.variable != -1) { doThis(); ……

Java

2020-08-27

Random int function behavior in Java

I have the following code: public class Main { private static final Random rnd = new Random(); private static int get……

Java

2020-08-27

Java – greenroot eventbus failed to send event

I'm using eventbus to pass from a long-running thread to fragments that update its UI This long - running thread is ba……

Java

2020-08-27

Java – jar in classpath

Is there a way to programmatically get a complete list of all jars in the classpath? I need this because we have behav……

Java

2020-08-27

java – log4j. Properties does not work properly on wildfly

I have a log4j in my classpath Properties file It is located on APP / XX jar / log4j. Properties location I noticed th……

Java

2020-08-27

Java – GlassFish 4.1 deployment failed on eclipse Luna using JDK 8

You cannot use JDK 8, GlassFish 4.1 to deploy GlassFish on eclipse Luna jsp. Exception stack trace: org.glassfish.tool……

Java

2020-08-27

Java – JBoss wildly and Jersey web service deployment error jbas011859: naming context is read-only

I am using Jersey servlet (1.18.1) to process Java Web services projects When I deploy my ear file to JBoss wildfly (8……

Java

2020-08-27

Java – ArrayList changes a property value of all objects

Java Spring Collection List<CustomObject> myList = new ArrayList<CustomObject>(1000); // list with thousnd……

Java

2020-08-27

Can I add Ruby gem / module like a Java jar file?

I use eclispse Kepler and dltk plug-ins to make ruby I can't "request" the nokogiri module because eclipse can't find ……

Java

2020-08-27

Java – confused about extending the generics of existing enum types

Question 1: I'm a little confused about these codes: public class MyClass1 <E extends Enum<?>> { // ..……

Java

2020-08-27

The value of Java – hashtable will not increase

The following java code: public class TestCSVDataToMap { public static Hashtable<String,Integer> testTable ……

Java

2020-08-27

Java – algorithm for bucket lookup of hash code

See English answers > What hashing function does Java use to implement hashtable class? 5 When the lookup is comple……

Java

2020-08-27

Timestamp and time zone conversion in Java and MySQL

I am developing a Java application with MySQL database on a server located in a different time zone from me. I am tryi……

Java

2020-08-27

How many parameters does the varargs tool allow in Java?

I'd like to know how many parameters can be passed using the varargs tool in Java Is there a JVM or memory limit? As f……

Java

2020-08-27

The value of Java – hashtable will not increase

The following java code: public class TestCSVDataToMap { public static Hashtable<String,Integer> testTable ……

Java

2020-08-27

Java – checkstyle reports a localfinalvariablenamecheck error for the catch exception parameter

I have a strange question, I'm not sure if it's a problem between the two ears or a checkstyle one LocalFinalVariableN……

Java

2020-08-27

Java – how to crack this synchronization code?

I have the following code snippet synchronized (mObject) { if (mObject.variable != -1) { doThis(); ……

Java

2020-08-27

Java – public key encryption and private key encryption

I implemented asymmetric encryption in the project, using "public key" to "Encrypt" messages and "private key" to "dec……

Java

2020-08-27

Java – drag / move shapes around the JPanel

Yesterday I asked a question about how to draw a bounding box to maintain the internal shape and how to drag and drop ……

Java

2020-08-27

Is there any way to delete all contents in VBox in JavaFX?

I'm trying to do a JavaFX project I have some questions Solution oh I just figured it out I can use v@R_716_2419 @.get……

Java

2020-08-27

Java – use the original string in the modified mail request body

I want to send user: user in the post request body I'm using lib Please advise me I've tried this before @POST(/login)……

Java

2020-08-27

Java-8 – building Maven assemblies in Java 8

I changed the Java version used in my project Now I'm using Lambdas expressions If I compile IDE (IntelliJ), it works ……

Java

2020-08-26

JavaFX scrollpane – check the displayed components

I want to know if there is a scrollpane attribute in JavaFX 8 that can be used to listen for components currently disp……

Java

2020-08-26

Java – what exactly is system out？

I've noticed that system. Net has never been initialized through a jar file launched from the command line (that is, t……

Java

2020-08-26

If Java returns NoSuchElementException

How to create an IF statement to check whether the function returns "NoSuchElementException"? Similar to what I have b……

Java

2020-08-26

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Java – string index using replace all is out of range

Is it safe to run more than 1K threads in Java?

Java – JBoss wildly and Jersey web service deployment error jbas011859: naming context is read-only

Java – Jersey records all response times of the service

Java – container level versioned library shared by war

Multithreading – Perl threads separate themselves

Java – what is the difference between using @ import and @ importresource annotations in the spring framework?

Java – how to crack this synchronization code?

Random int function behavior in Java

Java – greenroot eventbus failed to send event

Java – jar in classpath

java – log4j. Properties does not work properly on wildfly

Java – GlassFish 4.1 deployment failed on eclipse Luna using JDK 8

Java – JBoss wildly and Jersey web service deployment error jbas011859: naming context is read-only

Java – ArrayList changes a property value of all objects

Can I add Ruby gem / module like a Java jar file?

Java – confused about extending the generics of existing enum types

The value of Java – hashtable will not increase

Java – algorithm for bucket lookup of hash code

Timestamp and time zone conversion in Java and MySQL

How many parameters does the varargs tool allow in Java?

The value of Java – hashtable will not increase

Java – checkstyle reports a localfinalvariablenamecheck error for the catch exception parameter

Java – how to crack this synchronization code?

Java – public key encryption and private key encryption

Java – drag / move shapes around the JPanel

Is there any way to delete all contents in VBox in JavaFX?

Java – use the original string in the modified mail request body

Java-8 – building Maven assemblies in Java 8

JavaFX scrollpane – check the displayed components

Java – what exactly is system out？

If Java returns NoSuchElementException

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