Java Discover

Java Discover is a Java technical blog mainly created for sharing our thoughts and programming question to the world of Java Programmers..

Showing posts with label TreeMap. Show all posts
Showing posts with label TreeMap. Show all posts

Difference between Hashtable, HashMap, TreeMap and LinkedHashMap

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Map is one of the most important data structures and when we talk about Map all these 4 implementation classes (Hashtable, HashMap, Tree...

Sorting duplicate elements in single array

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There are lot of sorting algorithms like bubble sort, quick sort, insertion sort, rad-ix sort etc., But all these sorting algorithm give...

TreeMap using custom object sorting

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We know that by default TreeMap will sort the values using key. Suppose if we need to sort the TreeMap using object stored in key part th...

Using Java TreeMap

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Today we will see about one of the important interface in Java called Map interface. Map interface and derived classes are in java.util.Map...
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