Object-Oriented Programming System in detail. — The Oops concepts are the foundation when you want to create a good application and want to scale it in the future and want reusable and clean code, In Oops concepts we divide a bigger problem into smaller entities and relate them with real-time scenarios and solve them separately and…

Lots of developers do the code, but A good developer is one who takes care of the code with respect to many programming paradigms, such as clean code, reusability, modularization, scalability, maintainability, and many more. The first and foremost concept is to understand solid principles in order to achieve the…

There are multiple ways to communicate from one fragment to another fragment. The most used one was an interface also known as inter fragment communication After the Jetpack component has been introduced ViewModel is very useful in many ways one being sending the data from one fragment to another. Let's…

I have already covered MVP's basic explanation in this blog MVP/MVVM Comparison with respect to Android application.aalishan565.medium.com In this blog, we will practically take an example of a login screen in android and will try to cover up MVP in a very simple way.

Below are the explanation of activity and fragment lifecycle. Based on some use cases. Case:0 I am launching activity and adding a fragment in onCreate() of activity so the lifecycle method call stack will be like. @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Log.d(TAG, "onCreate() Activity"); addFragment_A(); }

After doing some research I found some questions which can help all of us in our next interview. This blog will contain only advance topics questions. What is MVVM explain in detail? What is the advantage of MVVM? How View model survives orientation change? What is the use of a…

I Have taken most of the questions from people’s interview reviews from glassdoor and combining them in one place. What are JRE, JDK, and JVM? Internal working of JVM? (Deep understanding of all the areas) Memory areas in JVM? JIT Compiler? What is the classloader in detail? Why main() method…

I Have taken most of the questions from people’s interview reviews from glassdoor and combining them in one place. Basic programs: WAP (Write a program) for the alphabet test? WAP for Armstrong number? Character count in the string? WAP to find Factorial of a given number? WAP to find fibonacci…