Category "java"

React Native: 'compileJava' task (current target is 1.8) and 'compileKotlin' task (current target is 11) jvm target compat

Hello everyone I am trying to create and run a react native app. I run npx react-native init rn4 but when I run npm run android I have this error: > Task :re

How to check whether a known uri file exists in Android storage?

The file uri is known, such as `file:///mnt/sdcard/Download/AppSearch_2213333_60.apk` I want to check if this file can open or not in background, how to do?

Reading from a .txt file into a JFrame

I'm stuck trying to figure out how to read from a Java file into a JFrame. I need to make a frame and read in the names of cars and how much they cost. From the

Dynamic Programming (Codility Q: NumberSolitaire)

This is the question: codility.com/programmers/task/number_solitaire and below link is my result (50% from Codility): https://codility.com/demo/results/trainin

Static method behavior in multi-threaded environment in java

class Clstest{ public static String testStaticMethod(String inFileStr) { // section 0 // section 1 // do

The constructor WebDriverWait(chromeDriver, int) is undefined [closed]

WebDriverWait is not recognized even though it is imported in the eclipse IDE. Does anyone know the possible reason and fix for this?

Fortify file path manipulation solution recommendation

I'm creating a new file as classpath resource. With the following code, there are critical and high level Path Manipulation issues on Fortify. public class A {

PostgreSQL Exception: "An I/O error occured while sending to the backend"

I am testing some code which processes registration to a website. The java code is as follows (excerpt): if (request.getParameter("method").equals("checkEmail"

Can someone provide a good explanation of Dagger 2?

I'm really having a hard time understanding the Dagger 2 Dependency injection system. I understand the use of the @Inject annotation to tell Dagger we need to

How to use greater than and less than in a single if statement in Java

I made a BMI calculator. One of the things I have to do is add categories using if statements. 18.5 to 24.9 normal weight so that would be one of the categories

Unmarshalling an XML using Xpath expression and jaxb

I am new to JAXB and would like to know if there is a way by which I can unmarshall an XML to my response object but using xpath expressions. The issue is that

How to run Maven Checkstyle plugin on modified files only

I am running Maven Checkstyle plugin through pre-commit githook written in python (I think that the same question applies to running it directly from terminal).

How to hook into a method with int[] using xposed?

I am trying to hook into this method in NotificationManagerService using Xposed: void enqueueNotificationInternal(final String pkg, final String opPkg, final i

Generating Unique identifier using two strings

I would like to get an idea on how can we generate an unique identifier using two Strings. My requirement here is to generate an unique identifier for a particu

How make cxf-codegen-plugin generate Webservices from jakarta.xml.ws?

Migrating from Java 8 to Java 11. Updated cxf-codegen-plugin from version 3.2.0 to 3.3.6. Plugin still generates Java stubs from wsdl files using packages from

Is it possible to add partitions to an existing topic in Kafka 0.8.2

I have a Kafka cluster running with 2 partitions. I was looking for a way to increase the partition count to 3. However, I don't want to lose existing messages

Hibernate Mapping Error: MappingException: An AnnotationConfiguration instance

I have a project with Hibernate.I tried to read the configuration file hibernate.cfg and got this error: Error creando una factoria de session.org.hibernate.M

"Cannot find symbol" error when creating an instance of an object

I'm new to using maven and have a Project where I'm trying to create an instance of an object but keep getting the error: error: cannot find symbol Comm

Is there any an issue with the file name openjdk-8-jdk-headless?

I am trying to install Spark which requires Java with using !apt-get install openjdk-8-jdk-headless -qq > /dev/null And I get an error after it. E: Failed

Java coding style to be more concise

How can I compact these code in Java without creating other objects? myObjectNumberOne.setTitle("title"); myObjectNumberOne.setBody("body"); myObjectNumberOne.s