Arun Chandravanshi

Java static Keyword(With Examples)

This post is about Java static keyword along with static methods, static variables, static class, and static blocks with the help of simple examples. Java static Keyword In Java, If we want to access class members without creating an instance of the class, we need to declare the class member with static keyword. In Java, …

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Android GridLayoutManager Example With RecyclerView

This article is about Android GridLayoutManager and how to use it with RecyclerView to show items in uniform grid with the help of simple android application. GridLayoutManager The RecyclerView widget is a more advanced and flexible version of ListView. It is a container for displaying large data sets that can be scrolled very efficiently by maintaining a limited …

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Java Access Modifiers

This post is about Access/Visibility modifiers in Java and how to use them. Access Modifiers In Java, access modifiers are used to set the accessibility (visibility) of classes, constructors, data members and methods in another classes.  There are four types of access modifiers available in java: Default : visible only within the package. Private: visible …

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Android AlertDialog Example

This article is about Android AlertDialog and how to use it in android application with simple examples. AlertDialog AlertDialog is a small window that prompts the user to make a decision or enter additional information. A dialog does not fill the screen and is normally used for events that require users to take an action …

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Java Interfaces(with Examples)

This article is about interfaces and how to implement it in Java with the help of examples. Interface An interface in java is a collection of fields and abstract methods (only method signature, no body). Interfaces are by default prefix with abstract keyword, which means similar to abstract classes we cannot create an object of …

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Android Notification Example

This post is about android notification, how to create a simple notification, notification styles, how to add actions in notifications with the help of simple android application. Notification A Notifications provide short, timely information about events happened in the application, even if the application is not running. Creating a Basic Notification A notification in its …

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Android Snackbar(Java/Kotlin)

This article is about Android Snackbar and how to use it in android application with simple examples in Java and Kotlin. Snackbar Snackbar is an Android Material Design component . It provide lightweight response about an operation by showing a short message at the bottom of the screen on mobile and lower left on larger …

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Android Toast(Java/Kotlin)

This article is about Android Toast and how to use it in android application with simple examples using Java and Kotlin. Toast A toast provides simple feedback about an operation in a small popup.  By default it appears near the bottom of the screen, centered horizontally. Toasts are not clickable and automatically disappear after a …

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Java Abstract Class and Abstract Methods

In this tutorial, we will learn about Java abstract classes and methods and how to use them in our program with the help of examples. Abstract Class An abstract class is a class that cannot be instantiated (we cannot create objects of an abstract class). Syntax We use the abstract¬†keyword to declare an abstract class. …

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Kotlin Constructor in Inheritance

In this article, you will learn about Constructors (both primary and secondary constructor) behavior in Inheritance, in Kotlin with the help of examples. A constructor for a class is a special member function, which is called implicitly, just after the memory is allocated for the object to initialize the properties of the newly created object …

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