Tag Archives: What is TreeMap in Java

What is TreeMap in Java with example?

What is TreeMap in Java with example?

  What is TreeMap in Java with example? The underlying data-structure is Red-black-Tree. Insertion order is not preserved and it is based on some sorting order of keys. Duplicate key is not allowed but values can be duplicated. If we are depending on default natural sorting order then keys should be heterogeneous and comparable. Otherwise, we will get Runtime exception saying ...

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