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Map size() method in Java is used to get the total number entries i.e, key-value pair public static HashMap newHashMap(int numMappings) Original Answer
Java Map Indonesia Discover Java Island with Detailed Maps The set is backed by the map, so changes to the map are reflected in the set, and vice-versa The following example shows the usage of Java HashMap size() method to get a size of a Map Returns a Set view of the keys contained in this map
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