basic_understanding_of_Java_TreeMap_Quipoin.pptx
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A TreeMap in Java is part of the java.util package and implements the NavigableMap interface, extending AbstractMap.
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basic_understanding_of_Java_TreeMap_Quipoin.pptx
- 2. Introduction to Java TreeMap • • TreeMap is part of java.util package. • • Implements NavigableMap and extends AbstractMap. • • Stores key-value pairs in sorted order. • • Uses a Red-Black tree for storage. • Learn more: https://quipoin.com/tutorial/Java- chapter-TreeMap
- 3. Features of TreeMap • • Maintains ascending key order. • • Allows null values but not null keys. • • Provides efficient O(log n) operations. • • Offers methods like firstKey(), lastKey(), subMap(). • More details: https://quipoin.com/tutorial/Java- chapter-TreeMap
- 4. TreeMap Example • Example Code: • TreeMap<Integer, String> map = new TreeMap<>(); • map.put(1, "Apple"); • map.put(2, "Banana"); • map.put(3, "Cherry"); • System.out.println(map); • Check full tutorial: https://quipoin.com/tutorial/Java-chapter-TreeMap