src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symbol.java

*** 948,957 ****
--- 948,968 ----
              Assert.checkNonNull(name);
              this.type = new ModuleType(this);
          }
  
          @Override @DefinedBy(Api.LANGUAGE_MODEL)
+         public Name getSimpleName() {
+             Name fullName = getQualifiedName();
+             int lastPeriod = fullName.lastIndexOf((byte)'.');
+             if (lastPeriod == -1) {
+                 return fullName;
+             } else {
+                 return fullName.subName(lastPeriod + 1, fullName.length());
+             }
+         }
+ 
+         @Override @DefinedBy(Api.LANGUAGE_MODEL)
          public boolean isOpen() {
              return flags.contains(ModuleFlags.OPEN);
          }
  
          @Override @DefinedBy(Api.LANGUAGE_MODEL)