Swift Tree, Binary Tree

Swift Tree, Binary Tree In this tutorial, we’ll be discussing the Data Structure Trees and implement it using Swift. Furthermore, we’ll see what are Binary Trees and implement a few of its well-known algorithms. Swift Trees Trees are a data structure that is just opposite to the real-life tree. The topmost...
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Longest Palindrome Substring In A String In Java

Longest Palindrome Substring In A String In Java Longest palindrome substring in a string is a very common java interview question. To find out the longest palindrome in String, first of all, we need to identify the logic to do it. Longest Palindrome Substring in a String Algorithm The key point here is that from the mid of any palindrome string...
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How To Send A Pdf File Using Whatsapp On Iphone

How To Send A Pdf File Using Whatsapp On Iphone A new version of WhatsApp has been released before a couple of days and it has brought a new feature that enables users to send a PDF file as an attachment. Earlier, WhatsApp supported sending audio, video, and images as part of an attachment, but sending document was missing. This new feature is...
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Difference Between Abstract Class And Interface In Java

Difference Between Abstract Class And Interface In Java Difference between Abstract Class and Interface is one of the popular interview questions. Abstract Class and Interface are a core part of the Java programming language. Whether to choose an interface or abstract class is a design decision that every architect faces. In my last articles, I have...
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