### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: formatter/org/eclipse/jdt/internal/formatter/CodeFormatterVisitor.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/formatter/org/eclipse/jdt/internal/formatter/CodeFormatterVisitor.java,v
retrieving revision 1.237
diff -u -r1.237 CodeFormatterVisitor.java
--- formatter/org/eclipse/jdt/internal/formatter/CodeFormatterVisitor.java	9 Nov 2010 14:24:24 -0000	1.237
+++ formatter/org/eclipse/jdt/internal/formatter/CodeFormatterVisitor.java	22 Dec 2010 12:56:37 -0000
@@ -1156,6 +1156,7 @@
 					this.scribe.printNewLine();
 				}
 			} else if (hasConstants) {
+				this.scribe.printComment(CodeFormatter.K_UNKNOWN, Scribe.BASIC_TRAILING_COMMENT);
 				// only had a new line if there is at least one enum constant
 				this.scribe.printNewLine();
 			}
#P org.eclipse.jdt.core.tests.model
Index: src/org/eclipse/jdt/core/tests/formatter/FormatterBugsTests.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/formatter/FormatterBugsTests.java,v
retrieving revision 1.39
diff -u -r1.39 FormatterBugsTests.java
--- src/org/eclipse/jdt/core/tests/formatter/FormatterBugsTests.java	26 Nov 2010 16:42:57 -0000	1.39
+++ src/org/eclipse/jdt/core/tests/formatter/FormatterBugsTests.java	22 Dec 2010 12:56:40 -0000
@@ -7628,4 +7628,23 @@
 		"}\n"
 	);
 }
+
+/**
+ * @bug 332877: [formatter] line comment wrongly put on a new line
+ * @test Ensure that the comment on last enum constant is not wrongly put on a new line
+ * @see "https://bugs.eclipse.org/bugs/show_bug.cgi?id=332877"
+ */
+public void testBug332877() throws Exception {
+	String source =
+		"public enum Environment {\n" + 
+		"    PROD,       // Production level environments\n" + 
+		"    STAGING    // Staging\n" + 
+		"}\n";
+	formatSource(source,
+		"public enum Environment {\n" + 
+		"	PROD, // Production level environments\n" + 
+		"	STAGING // Staging\n" + 
+		"}\n"
+	);
+}
 }