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Answers
We can make the Collection readOnly by using the following lines code:
General : Collections.unmodifiableCollection(Collection c)Collections.unmodifiableMap(Map m)
Collections.unmodifiableList(List l)
Collections.unmodifiableSet(Set s) Your Comment
General : Collections.unmodifiableCollection(Collection c)Collections.unmodifiableMap(Map m)
Collections.unmodifiableList(List l)
Collections.unmodifiableSet(Set s) Your Comment
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