Interview question for Fresher Android Developer:
If you are going for an android developer position, well prepare Core java concept as you can.
They will start with the core java concept, and this round will decide that you are going in further round or not.
Actually, core java plays a key role in the Android developer role.
***Core Java:***
- What are class and object (prepare some real-life example of class and object, when they ask to answer tell them to answer and after that give them this real-life example as well )
- JDK, JVM, JRE
- OOPS
- overloading
- overriding
- polymorphism
- dynamic or run time polymorphism
- static or compile-time polymorphism
- try to do some overriding and overloading example(this will help you)
- try to override non-static and static methods both and understand the difference between them(static method can not be overridden but the try to check your knowledge)
- Inheritance
- why java has not supported multiple inheritances
- how to achieve multiple inheritances in java or what is the alternative of multiple inheritances in java.
- Interface (be prepared about all the properties and behavior what Interface have)
- Exception Handling
- try-catch scenario (try with single catch, try with multiple catches, try-catch-finally, etc )
- Final, Finally, Finalize(must know)
- throw, throws
- Multithreading in java
- How to create a Thread
- Runnable And Thread
- String manipulation
- Do some example and understand the difference between .equals() and == in String.
- String Immutability
- difference between String, StringBuilder, and StringBuffer.
***Collection:***
- Overview of Collection
- get some brief about ArrayList, LinkedList etc.
- Difference between ArrayList and LinkedList.
***Android:***
- What is Android
- Android Architecture
- What is Activity
- Activity life cycle(prepare complete scenario)
- What is Fragment
- Fragment life cycle
- difference between activity and fragment
- Intent
- Activity Launch Mode
in my opinion, these topics are well enough if you are a fresher and going for an Android developer.
If you are prepared with these topics, your selection probability will high than others.
that's all.
************************************************************
Here are some more android and coding related beautiful stuff.
How to structure Code-
Naming Convention-
How to decide which architecture pattern suit your app-
ML Kit Android (Recognize, Identify Language and Translate text with ML Kit and CameraX)
Building Apps For Everyone and Maximize the Accessibility
How to manage multiple END_POINTS or BASE_URL when developing android app.
Are you an android developer and carrying a USB cable to test, debug, and run your app? this article is for you. Android WiFi ADB Plugin It ...
Naming Convention Name? In our daily life Name plays a very important role to identify the Object, i.e- name, place, thing, etc. Just think...
JDK, JRE, JVM. JDK JRE JVM JDK = JRE + Development Toold JRE = JVM + Library Classes JDK- Provide Environment To develop and Run Java Pr...
Are you developing android apps, what about its security? Keep some key points in your mind when developing android apps. 1- Use PROGUARD b...
structuring code Nowadays Coding is easy but doing structure code is a very tough task. actually doing structured code is a crucial part of ...
Hello developers, You may have had the issue where a RecyclerView loses the scroll position when your Activity/Fragment is re-instantiated....- Android Jetpack: What's new in Jetpack: Android Jetpack comes with five new components: WorkManager alpha release Navigation alp...
Build Variants In this blog, we learn how to manage multiple End_Points/Base_url/Server_url for the project. As every developer knows that t...
ML Kit is a mobile SDK that brings Google's AI ability to Android and Android applications in an amazing yet simple to-utilize bundle. R...
It's a very helpful for any freshers.... Great job java one World
ReplyDelete