fix(java): preserve original environment names for multi-URL environments (#9890)

Author: tstanmay13

generators/java/sdk/src/main/java/com/fern/java/client/generators/EnvironmentGenerator.java

@@ -151,7 +151,7 @@ public EnvironmentClassInfo visitMultipleBaseUrls(MultipleBaseUrlsEnvironments m
                         .map(EnvironmentUrl::get)
                         .map(url -> "\"" + url + "\"")
                         .collect(Collectors.joining(","));
-                String constant = environment.getName().getScreamingSnakeCase().getSafeName();
+                String constant = environment.getName().getOriginalName();
                 environmentsBuilder.addField(
                         FieldSpec.builder(className, constant, Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL)
                                 .initializer("new $T(" + args + ")", className)

generators/java/sdk/versions.yml

@@ -1,3 +1,12 @@
+- version: 3.8.11
+  changelogEntry:
+    - summary: |
+        Fix Java SDK generator to preserve original environment names for multi-URL environments (e.g., "E2E" instead of "E_2_E").
+        Single-URL environments remain unchanged for backward compatibility.
+      type: fix
+  createdAt: "2025-10-16"
+  irVersion: 60
+
 - version: 3.8.10
   changelogEntry:
     - summary: |