Examples of java.util.Collection.removeAll()

java.util.Collection.removeAll()
Removes all of this collection's elements that are also contained in the specified collection (optional operation). After this call returns, this collection will contain no elements in common with the specified collection. @param c collection containing elements to be removed from this collection @return true if this collection changed as a result of thecall @throws UnsupportedOperationException if the removeAll methodis not supported by this collection @throws ClassCastException if the types of one or more elementsin this collection are incompatible with the specified collection (optional) @throws NullPointerException if this collection contains one or morenull elements and the specified collection does not support null elements (optional), or if the specified collection is null @see #remove(Object) @see #contains(Object)

                             "expected exception " + ex);
        }
        
        // method removeAll
        try {
            result.removeAll(instance5Collection);
            fail(ASSERTION_FAILED,
                 "Method removeAll called on a query result show throw " + 
                 "UnsupportedOperationException"); 
        }
        catch (UnsupportedOperationException ex) {

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            }
        }


        // calculate nodes for deselection by removing from currentlySelected nodes
        // those that must be selected.
        currentlySelected.removeAll(newSelectedNodes);


        setSelectState(currentlySelected, false);
        setSelectState(newSelectedNodes, true);
    }

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            }
        }


        // calculate nodes for deselection by removing from currentlySelected nodes
        // those that must be selected.
        currentlySelected.removeAll(newSelectedNodes);


        setSelectState(currentlySelected, false);
        setSelectState(newSelectedNodes, true);
    }

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        String[] names = { name1, name2 };
        // damn'd collection doesn't have a clone, so
        // we go with Set, even though that
        // may not preserve order and duplicates
        Collection temp = new HashSet(set1);
        temp.removeAll(set2);
        pw.println();
        pw.println(inOut.format(names));
        showSetNames(pw, temp);


        temp.clear();

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        pw.println(inOut.format(names));
        showSetNames(pw, temp);


        temp.clear();
        temp.addAll(set2);
        temp.removeAll(set1);
        pw.println();
        pw.println(outIn.format(names));
        showSetNames(pw, temp);


        temp.clear();

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        Collection props1 = properties(null);
        Collection props2 = properties.properties(null);


        // missed in props2.
        Collection tmp = new TreeSet(props1);
        tmp.removeAll(props2);
        for (Iterator props = tmp.iterator(); props.hasNext();) {
            String missing = (String) props.next();
            comparator.propertyDeleted(missing);
            equals = false;
        }

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            equals = false;
        }


        // added in props2.
        tmp = new TreeSet(props2);
        tmp.removeAll(props1);


        File tmpFile = null;
        File tmpFile1 = null;
        File tmpFile2 = null;
        OutputStream os = null;

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                }
            }
        }


        // Remove mapped recipients
        recipients.removeAll(recipientsToRemove);


        // Add mapped recipients that are local
        recipients.addAll(recipientsToAddLocal);


        // We consider an address that we map to be, by definition, a

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            Collection notRecipients;
            if (recipients == mail.getRecipients() || recipients.size() == 0) {
                notRecipients = new ArrayList(0);
            } else {
                notRecipients = new ArrayList(mail.getRecipients());
                notRecipients.removeAll(recipients);
            }


            if (recipients.size() == 0) {
                //Everything was not a match... store it in the next spot in the array
                unprocessed[i + 1].add(mail);

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    public Collection match(Mail mail) throws MessagingException {
        // Create a new recipient Collection cause mail.getRecipients() give a reference to the internal 
        // list of recipients. If we make changes there the original collection whould be corrupted
        Collection recipients = new ArrayList(mail.getRecipients());
       
        recipients.removeAll(wrappedMatcher.match(mail));
        return recipients;
    }


}

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