Java Collections emptySortedMap() Method21 Mar 2025 | 1 min read The emptySortedMap() method of Java Collections class returns an empty sorted map which is immutable. SyntaxFollowing is the declaration of emptySortedMap() method: ParameterThis method does not accept any parameter. ReturnsThe emptySortedMap() method returns an empty immutable Sorted Map. ExceptionsNA Compatibility VersionJava 1.8 and above Example 1Output:
Created Empty Sorted Map: {}
Example 2Output:
Created Empty Sorted Map: {}
Exception in thread "main" java.lang.UnsupportedOperationException
at java.base/java.util.Collections$UnmodifiableMap.put(Collections.java:1453)
at myPackage.CollectionsEmptySortedMapExample2.main(CollectionsEmptySortedMapExample2.java:9)
Example 3Output: Exception in thread "main" java.lang.UnsupportedOperationException at java.base/java.util.Collections$UnmodifiableMap.put(Collections.java:1453) at myPackage.CollectionsEmptySortedMapExample3.main(CollectionsEmptySortedMapExample3.java:8) Next TopicJava Collections Class |
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