MultiSet<String> multiSet = new HashMultiSet();
multiSet.add("Albama");
multiSet.add("Albama");
multiSet.add("Albama");
System.out.println(multiSet); // Prints [Albama:3]
UnmodifiableMultiSet<String> unmodifiablemultiSet = (UnmodifiableMultiSet<String>) MultiSetUtils.unmodifiableMultiSet(multiSet);
unmodifiablemultiSet.add("Albama"); // throws java.lang.UnsupportedOperationException
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