Java Stack Class Example

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Stack is the subclass of Vector which is dynamic in nature and its size goes on increasing as the elements are added to it. Stack class allows creating the pile of the elements where, last element added to the stack is taken out first. This is also referred to as “Last in First Out” (LIFO). […]

Java SimpleTimeZone Class Example

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SimpleTimeZone is a subclass of TimeZone which is defined as standard time followed within a geographical area for the use with the Gregorian calendar. SimpleTimeZone class extends the Super Class TimeZone. This class takes an offset from GMT, also known as raw offset to set the start and end rules for the Daylight Saving Time. […]

Java TimeZone Class Example

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TimeZone is an abstract class which defines as standard time followed within a geographical area for the use with the Gregorian calendar. The TimeZone class allows working with TimeZone offset based on Greenwich Mean Time (GMT) which is referred as Coordinated Universal Time. It also sets a daylight saving time. By using getDefault TimeZone, it […]

Java PriorityQueue Class Example

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In the PriorityQueue, elements are ordered in accordance to their natural ordering or the order defined by the Comparator. Comparator is the factor which compares the elements for the ordering purpose. These are defined at the queue construction time which decides the ordering of elements in the queue, based on the type of constructor used. […]

Java Locale Class Example

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A locale is a set of parameters which represents specific locale such as geographic region or political region that shares the same language and customs. A locale object may includes user’s language, country, and any special variant preferences that user needs. A Locale class which requires operation to perform its task is called as locale-sensitive […]

Bootstrap Media Object

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The media object is an image to the left with descriptive content to the right. It allows abstract object styles for creating various components like blog comments, tweets etc. The main purpose of the media object is to provide block of the information related particular media such as images, video or audio. The goal of […]

Bootstrap Progress Bars

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In general, the progress bar is a graphical user interface used to visualize progression of computer operation such as file download, file transfer, showing action status to the users or installation of files. For instance, consider a task running within program that might take a while to complete. It provides some indication to user that […]

Java HashSet Example

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HashSet is a collection of unique elements (objects). The HashSet is available with collection package and extends AbstractSet and implements the set interface. The below diagram shows the HashSet class hierarchy where HashSet is extended from the AbstractSet where AbstractSet implements the set interface and AbstractCollection which is extend from collection framework where collection framework […]

Java HashTable Example

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Collection framework is collections of interfaces, implementations and algorithms, which are used to store, retrieve and manipulate the data. In the version of Java 1.0, HashTable was introduced where it did not use map. This version was upgraded in java 1.2, to implement Map interface making it as part of the Java Collections framework. HashTable […]

Java HashMap Example

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HashMap is collection which stores in the form of key-value pairs, where key is reference and value is actual data. HashMap always works on the principle of hashing to transform key-value pairs into the map. It uses hash table to store the map. It contains unique elements. We cannot use duplicate data for the keys […]