I have an object User and as part of validation I have provided something like below: import javax.validation.constraints.NotBlank; public class User { pr
I've made 2 different types of appwidgets showing some calendar data. Each type has it's own layout, AppWidgetProvider class, AppWidgetProviderInfo object, but
is there any way to moving dependencies from pom.xml to application.properties file? <dependency> <groupId>org.postgresql</groupId>
Docs provides HTTP requests as example to "Capture an authorized payment": https://developer.paypal.com/docs/archive/payments/authorize-and-capture-payments/ Ch
I have this method: public static Object parseStringToObject(String json) { String Object = json; Gson gson = new Gson(); Object objects = gson.fro
I am a beginner of Java, and would like to reverse the character order of a sentence when I input some words as command line arguments. Here is my code. When I
In appium server , am trying to send the keys inside the text box , where am facing this trouble Call to 'sendKeys' failed [element.sendKeys("hello")] Error res
I am looking for a way to split a string after every 3rd comma. I have found an old answer from 2013 Split a String at every 3rd comma in Java which I think is
The function needs to have a 2d array as a parameter and then return a normal array with all the unique numbers. If the 2d array is [ [1,1], [4,2] ] then it sh
I've been using the == operator in my program to compare all my strings so far. However, I ran into a bug, changed one of them into .equals()
Using <spring-boot.version>2.3.9.RELEASE</spring-boot.version> added following dependencies : <dependency> <groupId>org.springframew
I'm trying to validate a PDF file with VeraPDF using WCAG2_1 as a validation methodology. If I change the methodology to another such as PDFA_4, everything work
I use this logback appender to send logs to Kafka: https://github.com/danielwegener/logback-kafka-appender When Kafka was PLAINTEXT everything worked correctly.
My RestClient is annotated by a custom annotation and I want to get the annotation value in a ClientRequestFilter. Here is my MicroProfile RestClient: @Path("/g
I want to create a button that after clicking this button will be not clickable for 1 min, but after restarting a program, this button is clickable cuz i didn't
We do use an SQS to receive notifications from S3, but for some reason we receive the exact same message again and again. Seems like the message never gets dele
I have a spring-boot server which only accepts https requests, the point is that I need it to be able to communicate with the client (android) using SSE. I have
Free checkout. The fast food restaurant has several cash desks. Customers stand in line at a particular cash desk, but can move to another que
I want to detect changes inside a directory, so I implement by using WatchService public class DirWatcher implements Runnable { private Path path; priv
I know that TreeSet in Java sort its elements in ascending order. For integer it would be 1, 2, 3, 4, 5, for String it would be alphabetical. However, what if I