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MobiAcad is an online platform to learn all about mobile application development.

16/06/2022

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27/10/2021

❤️ How to convert list to String in Kotlin in one line? ❤️
👉 By applying joinToString() on list you can convert whole list into a string.

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22/10/2021

❤️ What is Gang Of Four (GOF)? ❤️
👉 Gang of Four are the authors of the book "Design Patterns: Elements of Reusable Object-Oriented Software"
👉 It’s an important book describing twenty-three Object-Oriented Design Patterns & various development techniques.

🔥 They categorized all design patterns into three categories.
#1) Creational Patterns
#2) Structural Patterns
#3) Behavioral Patterns
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16/10/2021

Working hard for something we don't care about is called stress.

Working hard for something we love is called passion.

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09/10/2021

🔥 What is the final keyword in Java? 🔥
👉 Final variable
✔️ Once a variable is declared as final, then the value of the variable could not be changed. It is like a constant.

👉 Final method
✔️ A final keyword in a method, couldn’t be overridden. If a method is marked as a final, then it can’t be overridden by the subclass.

👉 Final class
✔️ If a class is declared as final, then it couldn’t be inherited. No class can extend the final class.

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07/10/2021

Did you know?

04/10/2021

📕 Best Books For Learning Android App Development ❤️
👉 Android Programming with Kotlin for Beginners
✓ https://amzn.to/3B99r6J

👉 Head First Android Development: A Brain-Friendly Guide
✔️ https://amzn.to/3a5WkHm

👉 Android Programming: Pushing the Limits
✔️ https://amzn.to/3iP0Ejl

👉 GUI Design for Android Apps
✔️ https://amzn.to/3F8nhsi

👉 Android Cookbook: Problems and Solutions for Android Developers
✔️ https://amzn.to/3FhRFRh

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03/10/2021

💥 Can we make abstract methods static in Java?
👉 It is totally unnecessary to make an undefined method static because if we do so, it will become a part of class.
👉 Why would anybody call an undefined method directly?
👉 That's why it is not allowed.
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01/10/2021

👉 Any fool can write code that a computer can understand. Good programmers write code that humans can understand.❤️

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29/09/2021

🔥 Commit Vs. Apply in SharedPreferences 🔥
👉 commit()
✔️ It writes data synchronously.
✔️ It returns a boolean value of success & failure.
 
👉 apply()
✔️ It writes data asynchronously.
✔️ It doesn't return any value.
 
👉If you are not using return value of commit() & you are on main thread, its better to use apply() there.
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27/09/2021

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22/09/2021

❤️ What is Elvis operator in Kotlin? ❤️

👉 In Kotlin, you can assign null values to a variable by using the null safety operator.
👉 To check if a value is null, you can use Elvis operator i.e. ?:

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