Java

Install Java Ubuntu

Option 1

• sudo apt remove *jdk*
• sudo apt update
• sudo add-apt-repository ppa:linuxuprising/java
• java --version
• sudo apt install openjdk-21-jre

Option 2

• https://www.oracle.com/java/technologies/downloads/
• Download deb
• chmod +x jdk-22_linux-x64_bin.deb
• sudo dpkg -i jdk-22_linux-x64_bin.deb
• sudo apt install maven

Setup Concurrent Testing

import org.junit.jupiter.api.parallel.Execution;
import org.junit.jupiter.api.parallel.ExecutionMode;

@Execution(ExecutionMode.CONCURRENT)
class Test {
    @RepeatedTest(10)
    void test() {}
}

src
└── test
    ├── java
    └── resources
        └── junit-platform.properties

junit.jupiter.execution.parallel.enabled=true

Maven

mvn clean install
java -jar target/<project>.jar

Gradle

./gradlew clean build
java -jar build/libs/<project>.jar