Tutorials

1.6 version enhancements in Collection Framework: As a part of 1.6 version, the following two concepts were introduced in Collection Framework: 1) Navigable Set 2) Navigable Map. Navigable Set It is the child interface of SortedSet and it defines several methods for Navigation purposes. Navigable Set Methods NavigableSet defines the following methods: floor(e): This method returns the highest …

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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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