Method keySet().
Examples works fine, but I not sure if I’m right.
Method keySet() . Examples works fine, but I not sure if I’m right.
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LinkedHashMapinheretskeySet()fromHashMap:https://docs.oracle.com/javase/1.5.0/docs/api/java/util/LinkedHashMap.html#methods_inherited_from_class_java.util.HashMap
keySet()returns an object of classSet:https://docs.oracle.com/javase/1.5.0/docs/api/java/util/HashMap.html#keySet%28%29