TreeMap: Creation and Insertion
Explore the creation and insertion techniques for Java TreeMap. Understand different constructors to initialize TreeMap, how to store sorted keys using Comparable or Comparator, and methods like put and putAll for inserting key-value pairs efficiently.
We'll cover the following...
We'll cover the following...
TreeMap is a class in the java.utils package that stores the keys in sorted order. Some of the features of TreeMap are:
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The entries in TreeMap are sorted in the natural ordering of its keys.
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It does not allow null keys, however there can be null values.
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The TreeMap is not thread-safe, although it can be made thread-safe using the
synchronizedMap()method of the Collections class.
Since a TreeMap stores the keys in ...