Android and Java Online Test

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About the test

The Android and Java online test assesses knowledge of the developing Android applications using its primary programming language, Java.

The assessment includes work-sample tasks such as:

  • Configuring UI elements, such as list view and linear layout.
  • Understanding the life cycle of an activity and working within it.
  • Working with classes, objects, and interfaces to write reusable code.

A good Android app developer needs to effectively use the Android SDK and the Java programming language to design and create quality Android applications.

Sample public questions

Easy
10 min
code
Public
Java
Interfaces
Inversion of Control
Refactoring

Refactor the AlertService and MapAlertDAO classes:

  • Create a new package-private interface, named AlertDAO, that contains the same methods as MapAlertDAO.
  • MapAlertDAO should implement the AlertDAO interface.
  • AlertService should have a public constructor that accepts AlertDAO.
  • The raiseAlert and getAlertTime methods should use the object passed through the constructor.
Easy
3 min
mca
Public
Android
Life Cycle

Which of these methods are called when the screen changes orientation from portrait to landscape in Android?

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75 more premium Android and Java questions

Document Store, Driver Exam, Shipping, Chain Link, Document Counter, Hobbies, Linear Layout, List View, Node, Paragraph, Product, Snapshot, Snow Storm, Text Scaling, Username, Utilities, Weighted Average, Recycler View, Battery Life, Shining Star, Mock Library, Kilometer Converter, Crop Ratio, Integer Utilities, Procedural Generator, Config Element, Stack to List, Fire Dragon, Log Parser, String Occurrence, Worker, Racer, Manifest, Segment, Relative Layout, Ceramic Store, Patient Class, Shelf Test, Read Write Execute, Read First Line, Max Sum, Platformer, Unique Numbers, Book Sale, Friend, Stories, Moving Total, Internal Nodes, Unique Product, Date Transform, Action Stack, Reward Points, Tiles, New Folder, Animal Hierarchy, Tax Calculator, Veterinarian, Wheel Defects, Paper Strip, Flight Connections, Vectors, Special Actions, Car Rental, Language Teacher, Results Button, Moving Steps, Live Score, Agreement Terms, Shopping Details, Layout Terms, Home Workout, Fragments, Test Results, Numbers To Text, Social Life.

Skills and topics tested

  • Java
  • Bug Fixing
  • Language
  • Exceptions
  • Arithmetic
  • Linked List
  • OOP
  • Refactoring
  • HashMap
  • Iteration
  • Lists
  • Android
  • Linear Layout
  • UI
  • List View
  • Recursion
  • Tree
  • Regex
  • Strings
  • Accessibility Levels
  • ArrayList
  • Responsiveness
  • Class Modifiers
  • Battery Life Optimization
  • TDD
  • Dynamic Proxy Classes
  • Inheritance
  • Method Overriding
  • Integer Division
  • Performance Tuning
  • Random
  • Generics
  • Complexity
  • Stack
  • Higher Order Function
  • Interfaces
  • Serialization
  • XML
  • Stream
  • Memory Management
  • Multithreading
  • Synchronization
  • Configuration
  • Relative Layout
  • Abstract Class
  • Test Case Design
  • Unit Testing
  • Algorithmic Thinking
  • Data Structures
  • Sorting
  • Graphs
  • Dynamic Programming
  • HashSet
  • Arrays
  • Classes
  • Objects
  • Queue
  • StringBuilder
  • Life Cycle
  • Animation
  • Android Service
  • Activity
  • Fragments
  • Layout
  • Stream API

For job roles

  • Android Developer
  • Mobile Developer

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