The XML file deals with the design, presentation, layouts, blueprint, etc (as a front-end) while the JAVA or KOTLIN deals with working of buttons, variables, storing, etc (as a back-end). In Android, programming is done in two languages JAVA or Kotlin and XML(Extension Markup Language). So it’s on your hand and it’s your decision why you want to learn Android. Similarly, if you want to build your long term career then you should learn the professional or advanced things also. Why do you want to learn Android? For example, if you want to learn Android for your college Academic projects then it’s enough to just learn the beginner things in Android. So before jumping into the complete Roadmap of Android one should have a clear goal in his/her mind that why he/she wants to learn Android? Is it for your college academic projects? or is it for your long-term career? or do you want to build your apps to start your business? So first make a clear goal. MVVM (Model View ViewModel) Architecture Pattern in Android.The Knight’s tour problem | Backtracking-1.Warnsdorff’s algorithm for Knight’s tour problem.Printing all solutions in N-Queen Problem.Top 10 Algorithms and Data Structures for Competitive Programming.How to begin with Competitive Programming?.Practice for Cracking Any Coding Interview.Must Do Coding Questions for Companies like Amazon, Microsoft, Adobe, ….7 Must-Have Mobile Apps to Prepare for Online Interviews.7 Essential Mobile Apps for Computer Science(CS) Students.Talking about Data Science with Bhavesh Bhatt.How to Get Your Ideal Job in 2020 – A Strategic Roadmap!.7 Code Refactoring Techniques in Software Engineering.7 Tips to Improve Your Android Development Skills.8 Must-Have Skills for Becoming an Android App Developer.Matcher find(int) method in Java with Examples.Matcher find() method in Java with Examples.Matcher group(int) method in Java with Examples.Matcher group() method in Java with Examples.Matcher appendReplacement(StringBuffer, String) method in Java with Examples.

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