feat: use jdk4py as default

Author: eggplants

openapi_generator_cli/__init__.py

@@ -4,11 +4,12 @@
 
 import importlib.resources
 import os
-import shutil
 import subprocess
 import sys
 from typing import TYPE_CHECKING
 
+from jdk4py import JAVA
+
 if TYPE_CHECKING:
     from pathlib import Path
 
@@ -26,18 +27,7 @@ def run(args: list[str] | None = None) -> subprocess.CompletedProcess[bytes]:
         subprocess.CompletedProcess[bytes]: The result of running the OpenAPI Generator CLI.
 
     """
-    java_path: Path | str | None
-    try:
-        from jdk4py import JAVA
-
-        java_path = JAVA
-    except ImportError:
-        java_path = shutil.which("java")
-    if not java_path:
-        msg = "java runtime is not found in PATH"
-        raise RuntimeError(msg)
-
-    arguments = [java_path]
+    arguments: str | Path = [JAVA]
 
     java_opts = os.getenv("JAVA_OPTS")
     if java_opts: