#Java - Code Snippets for '#Unmodifiable set'

#Java - Code Snippets for '#Unmodifiable set' - 2 code snippet(s) found

Sample 1. Get a unmodifiable / read only Set

Set<String> modifiableSet = Sets.newHashSet();



modifiableSet.add("New York");

modifiableSet.add("Washington");

modifiableSet.add("Georgia");



Set<String> unmodifiableSet = Collections.unmodifiableSet(modifiableSet);

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Sample 2. Create an UnmodifiableMultiSet ( Read only set allowing multiple values ) using Apache Commons

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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