import java.io.IOException;
import java.util.Arrays;

public class ExecingProcesses {
    public static void main(String[] args) {
        // For our example, we'll execute the 'ls' command. Java doesn't require
        // an absolute path, so we can use the command name directly.
        String command = "ls";

        // ProcessBuilder requires arguments as separate strings.
        // We'll give 'ls' a few common arguments.
        String[] arguments = {command, "-a", "-l", "-h"};

        try {
            // Create a new ProcessBuilder with our command and arguments
            ProcessBuilder processBuilder = new ProcessBuilder(arguments);

            // Inherit the environment variables from the current process
            processBuilder.inheritIO();

            // Start the process. This will replace the current Java process
            // with the 'ls' process.
            Process process = processBuilder.start();

            // Wait for the process to complete
            int exitCode = process.waitFor();

            // If we reach this point, it means the process didn't replace
            // our Java process as expected.
            System.err.println("Process completed with exit code: " + exitCode);
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }
}