Refactoring had caused all the chaos. Fixes #3111.

Author: Manindra29

java/src/processing/mode/java/pdex/ASTGenerator.java

@@ -901,9 +901,9 @@ public void preparePredictions(final String word, final int line,
  if (td.getStructuralProperty(TypeDeclaration.SUPERCLASS_TYPE_PROPERTY) != null) {
  SimpleType st = (SimpleType) td.getStructuralProperty(TypeDeclaration.SUPERCLASS_TYPE_PROPERTY);
  log("Superclass " + st.getName());
- ArrayList<CompletionCandidate> candidates =
+ ArrayList<CompletionCandidate> tempCandidates =
  getMembersForType(st.getName().toString(), word2, noCompare, false);
- for (CompletionCandidate can : candidates) {
+ for (CompletionCandidate can : tempCandidates) {
  candidates.add(can);
  }
  //findDeclaration(st.getName())