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Map Interface Overview and Characteristics The Map interface represents a collection that maps keys to values. Each key can map to at most one value. interface Map<K,V> where K is the key type and V is the value type Key characteristics: Key-value pair structure with one-to-one mapping between keys and values Keys must be unique within ...

Map Interface OverviewThe java.util.Map interface defines a structure for storing key-value pairs, where each unique key maps to exactly one value. Key characteristics include:Key Uniqueness: Duplicate keys are not permitted; assigning a new value to an existing key overwrites the old one.Null Handling: Depending on the specific implementation, ...