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How to remove item from ArrayList

The below example will help you to remove an Arraylist item using the element index. To remove an item from an arrayList I have used Object remove (int index) method. This method returns a reference to the item that was removed. You can see below pro

Deletion in double linkedlist in java

Deletion of item from double linked list st known position takes O(1) complexity while deletion at some specified position takes O(n) time complexity. In deletion we basically removes the pointer of that item. First of all check the reference node v

How to add new element in ArrayList.

 The below example will help you to add new element in arrayList. So, when we have new element list item shifts the element currently at that postion and any subsequent elements to the right which will help to insert new element at the specified

Screenshot with Frame in android

Android studio gives a feature to create frame for your Screen-shots. It is useful and looks good at the time of publishing app on GooglePlay. Here are the steps to take Screen-shot with frame in Android Studio. 1. Open DDMS from Android Monitor.

Returning Multiple Values in Python using tuple?

# A Python program returning multiple values from a method using tuple # Function is defined that returns a tuple def fun(): str = "Demo" x = 20 return str, x; # Returning a tuple # Driver code to test above method str, x = fun(

Toggle method

This method is used to show() and hide the content of selected elements. show() method is execute when selected element content is hide while hide() method is execute when selected element content is visible.  The toggle() method toggles betwee

Covariance and Contra-variance in C#

Relation between generic type parameter and generic type definition is known as variance. Covariance and contravariance are extensions for generic type parameters for arrays, delegates and interfaces. 1.COVARIANCE-  In Covariance 'out'

Media Types

CSS Media  types CSS media types is an important feature of CSS style sheet which specify how to format or present a document on different media i.e on screen, on paper, with speech synthesizer.   There are following different ways to sp

CSS:Animation effect

Hii, i am sharing an example of css animation effect in which the basic concept of this animation is an easing function which is used here to show cubic bezier effect which is providing  the movement of image . here's the code gi

Variable Arguments

Variable Arguments : We can pass variable number of arguments to a function in Java. Variable arguments means passing different number of arguments to same function on different call. Variable number of arguments are represented by elipsis(...) and

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