Use -version instead of --version in Java Version Check

It is more compatible with older Java versions

Fixes #24

lib/main_menu/java/util_for_checking_java_path_version.dart

@@ -21,7 +21,7 @@ Future<int> checkJavaVersion(String javaPath) async {
   }
 
   try {
-    ProcessResult jv = await Process.run(javaPath, ["--version"]);
+    ProcessResult jv = await Process.run(javaPath, ["-version"]);
     final int exitCode = jv.exitCode;
     final String stdout = jv.stdout;
     final String stderr = jv.stderr;