Trying to test my web tier (spring boot, spring mvc) with junit5 and mockito. All other tests on http methods (get, put, ...) are working fine but the update. F
I want to make a Mac Application using Java code I wrote, and I want to make it that the person using it doesn't require Java to be installed on their own compu
Getting char cannot be dereferenced error , while writing following code for(int i =1;i<=m;i++){ for(int j =1;j<=l;j++){ if(A.charAt(i-1).equa
I am having trouble getting an H2 In Memory database to populate. The idea here to have the BuildingCode which is unique as a primary key and id. I get the foll
I am trying to change the place of characters in a string. The first and last have to stay like they are. For example: String str = "String te
I have a WebLogic domain with multiple Managed Servers. Everything runs on separated hosts. The managed servers are started by Node Manager. According to the Or
I created the spring batch metadata tables using the following link in my own oracle database https://github.com/spring-projects/spring-batch/tree/main/spring-b
I am getting this error while running pyspark package in pycharm using python 3.9 using this below code. from pyspark.sql import SparkSession from pyspark.sql.t
I am asking for a hint. I searched the internet for a long time for a solution to the problem, but I'm already desperate. I would like the update operation to u
[Java, Spring Reactive, MongoDB] I'm currently trying to learn Reactive programming by doing and I found a challenge. I have db object CategoryDB which looks li
Java newbie... I have a dictionary like so: electronictypeModelsMap = { "laptops" => ["macbook", "thinkpad", "yoga"], "desktops" => ["macmini", "imac", "o
Hi I using spring boot jpa and I need to use mapsid. There are not so much information about that and I wonder if anyone can help me understand how to use maybe
I am developing an app using Flutter 2.10.3 but I assume this issue is not related to Flutter. Since upgrading to Android Studio Bumblebee | 2021.1.1 Patch 2 I
when i write in jsp page using Netbean javaWeb it doenst show error or do completations while coding ive to run it in order to show the errors and it's really a
i've been puzzling over this for about 5 hours now, I just can't get the errors to stop. am I doing something fundamentally wrong, or misunderstanding something
i have to validate date yyyyMMdd or MMddyyyy or ddMMyyyy. if i pass input 20221224, ho to make this is valid? but how can i do this in regex
i am trying in every way to add the SNI to my client (jetty 11.0.9). The server requires me to send host_name, but there is no way with jetty. can anyone do it?
Heyoo! I'm creating a simple login form using the swing package in java and I am having trouble in checking if the username and password is correct or not. this
What is the best practice for solving the number of cases of N searches? There are 3 search conditions for me. There are search conditions of A, B, and C. In th
For example i have entities @Entity public class A{ @Id Long Id; ... } @Entity public class B{ @Id Long Id; ... } @Entity @IdClass(ABId.class). public class AB{