hello-world

Build a Native Executable Using the native-image Tool

This is a HelloWorld Java example, referenced from Getting Started with Native Image.

Run the Application from a Class File

1. Compile the application running the follow command:

   javac -d build src/com/example/HelloWorld.java

   This generates the HelloWorld.class file into build/com/example directory.

2. Run the application from a class file:

   java -cp ./build com.example.HelloWorld

   It outputs the message "Hello, Native World!".

Run the Application from JAR

1. Create a JAR for the application, running the follow command:

   jar --create --file HelloWorld.jar --main-class com.example.HelloWorld -C build .

2. Run the JAR file:

   java -jar HelloWorld.jar

Run the Application as a Native Executable

1. Create a native executable of a JAR file:

   native-image -jar HelloWorld.jar

   The executable called ./HelloWorld will be created in the working directory.

2. Execute it:

   ./HelloWorld