Problem Every valid email consists of a local name and a domain name, separated by the ‘@’ sign. Besides lowercase letters, the email may contain one or…
Problem You are given a large integer represented as integer array digits, where each digits[i] is the ith digit of…
Problem Given a sorted array of distinct integers and a target value, return the index if the target is found.…
Problem Given a sorted array of distinct integers and a target value, return the index if the target is found.…
We know that in many situations our app needs to use the Camera of the device to take pictures, You…
Here we provides a simple tutorials to implement ViewPager in Kotlin. ViewPager is one of most popular widgets available in…
Country code pickers are used to search and select country code or international phone code in android. This example describes…