Queue is the child interface of Collection Interface. Queue has mainly two types: 1) Priority Queue 2) Blocking Queue. Blocking Queue has two types 1) Priority Blocking Queue 2) Linked Blocking Queue. If we want to represent a group of individual objects prior to processing then we should go for queue. For example, before sending …
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Introduction: HashTable , Hash table is basically an array of Lists. Each List is known as a bucket. The position of a bucket is identified by calling the hashcode() method. A Hashtable contains values based on the key. Hashtable Features: The underlying data structure for HashTable is HashTable itself. Insertion order is not preserved and it …
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What is Python ? Python is a HIGH-LEVEL, GENERAL PURPOSE, OBJECT-ORIENTED and STRUCTURED programming language, with applications in numerous areas, including web programming, scripting, scientific computing, robotics, and artificial intelligence. It is very popular and used by organizations such as Google, NASA, CIA, and Disney. History of Python: Guido van Rossum developed the language Python and it …
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LinkedHashMap LinkedHashMap is the child class of HashMap. It is exactly same as HashMap (including methods and constructors) except the following differences: LinkedHashSet and LinkedHashMap are commonly used for developing cache based applications. Let us take a programming example of LinkedHashMap : import java.util.*; class LinkedHashDemo { public static void main(String args[]) { LinkedHashMap lh …
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For predefined comparable classes (String) default natural sorting order already available. If we are not satisfied with that default natural sorting order, then we can define our own sorting by using Comparator Interface. For predefined non comparable classes StringBuffer default natural sorting order not already available, we can define our own sorting technique by using …
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