Coding Questions for Experienced Interview Android 1)Given an unsorted list of repeated elements in an array, Find the element with...

A content provider manages a shared set of app data. You can store the data in the file system, an SQLite database, on the web, or any...

Best Practices for Performance - When anybody say you .how can you code for best performance .we should understand and keep few things...

Let me be more specific on it,interviewer asked me this question,if you have to download many images like 1000 thousands.how will you do...

Very frequent interview question , What is the difference between Started Service and Bound Service? Ans: Let's first understand what is...

The Stock Span Problem The stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we...

Bucket Sort Bucket sort is mainly useful when input is uniformly distributed over a range. For example, consider the following problem....

Shell sort, also known as Shell sort or Shell's method, is an in-place comparison sort. It can be seen as either a generalization of...

The basic idea is to eliminate turtles, or small values near the end of the list, since in a bubble sort these slow the sorting down...

Pigeonhole Sort Algorithm- Pigeonhole sorting is a sorting algorithm that is suitable for sorting lists of elements where the number of...

For this you need to understand few major things 1)Estimote Beacon Library 2)App Id and Token Id 3)Need to give reference the library...

What is Beacons? Well, Beacons are a solution. Beacons are a low-cost piece of hardware — small enough to attach to a wall or counter...

Applications of Depth First Search Depth-first search (DFS) is an algorithm (or technique) for traversing a graph. Following are the...

Breadth First Search algorithm(BFS) traverses a graph in a breadth wards motion and uses a queue to remember to get the next vertex to...

A graph is a pictorial representation of a set of objects where some pairs of objects are connected by links. The interconnected objects...

Along with new features and capabilities, Android N includes a variety of system and API behavior changes.Android N is still in active...

Methods in Java A method represents a group of statements that performs a task.Methods has two parts. Method Header or Method Prototype...

Relationship Between Objects It is possible to create objects for different classes and establish relationship between them.When the...

We can acquire all the members of a class and use them in another class by relating the objects of two class .This is possible by...

Polymorphism : In java, a variable ,an object or a method can exist in different forms,thus performing various task depending on the...