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3 votes
1 answer
160 views

In Java prior to version 15, the most straightforward way of formatting a string was to use String.format(Locale, String, args) method. It was also considered a best practice to put Locale.ROOT as the ...
1 vote
1 answer
67 views

i have a project write in Java 17. We use spring-boot and database PostgreSql. We have a table called "Setting" with this column: Id BIGINT, KEY String, VALUE String, uuid UUID In this table ...
0 votes
1 answer
2k views

I am using Appium 2.0.0-beta66, Java Client 8.5.0, node 18.xx, Selenium-java 4.9.1, Selenium Server 3.141.59, TestNG 7.7.1, and JDK 1.15.0-02, what is the next long term JDK I can go for ? BTW, I am ...
user avatar
0 votes
1 answer
7k views

I have been working on a Java project using Apache NetBeans for a long time now. Today I opened Apache Netbeans IDE, it started pretty normally the first time showing the "starting modules" ...
0 votes
1 answer
194 views

In the following example why do I explicitly need to specify a class Square as non-sealed? Isn't public class Square extends Shape {...} more intuitive? package com.example.geometry; public abstract ...
visha1's user avatar
  • 9
3 votes
1 answer
701 views

I use the javafx virtual keyboard with open jdk 8. At times I have to access the virtual keyboard to prevent it from displaying when certain text fields get focus. An example of this is a screen where ...
0 votes
1 answer
659 views

How to solve " Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException" When I run the same code with Java 15, at runtime I get errors indicating ...
Gökhan's user avatar
  • 53
0 votes
3 answers
2k views

I have a JSON payload saved as a String String jsonBody = "{\n" + " \"example\": {\n" + " \"example\": [\n" + " {\n" + " \"example\": 100,\n" ...
Adam's user avatar
  • 23
1 vote
0 answers
2k views

Java 15, java-driver-core 4.15.0 and cassandra-unit 4.3.1.0 is used in the test. When I trying to prepare statement in my test using cqlSession from EmbeddedCassandraServerHelper - I get 'com.datastax....
Andriy's user avatar
  • 2,161
3 votes
1 answer
649 views

I have the following method that can return different types of Storable (ex: Food, Ore). Inventory.java public Storable get(Class<? extends Storable> cls) { for (Storable storable : ...
1 vote
0 answers
4k views

I've noticed recently a weird, intermittent error: "Received RST_STREAM: Not an error" which seems to come from java when calling send on java.net.http.HttpClient. Googling it, I found ...
Yonoss's user avatar
  • 1,728
11 votes
2 answers
1k views

I am trying to compile and load dynamically generated Java code during runtime. Since both ClassLoader::defineClass and Unsafe::defineAnonymousClass have serious drawbacks in this scenario, I tried ...
1 vote
1 answer
3k views

I'm looking for a solution to serialize a POJO object property based on some other property value within the same POJO using Jackson. If a property value matches some criteria then other property ...
-2 votes
2 answers
307 views

Here's my code. Here PQRST should be the output but R is not printed. I don't understand why ? class Validator{ public int[] studentId = { 101, 102, 103 }; public void validateStudent(int id) ...
2 votes
2 answers
11k views

I use Java 15 for my example. I used Eclipse IDE for Java Developers - 2020-12. I got an error shown below when I define SimpleDateFormat to handle with formating a date object. import java.text....

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