Android and Java Online Test
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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
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.
Consider the following code:
@Override
protected void onResume() {
super.onResume();
mp = MediaPlayer.create(getBaseContext(), R.raw.sound);
Thread timer = new Thread() {
@Override
public void run() {
try {
Thread.sleep(1000);
Intent main = new Intent(Splash.this, MainActivity.class);
startActivity(main);
finish();
} catch (InterruptedException e) {}
}
};
timer.start();
mp.start();
}
@Override
protected void onPause() {
super.onPause();
if (mp != null) {
if (mp.isPlaying()) {
mp.stop();
}
mp.release();
mp = null;
}
}
Select the statements that are correct if the wave file sound is 3 seconds long.
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81 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, Manifest, Segment, Ceramic Store, Patient Class, Shelf Test, Read Write Execute, Read First Line, Max Sum, Unique Numbers, Friend, Stories, Moving Total, Internal Nodes, Unique Product, Action Stack, Reward Points, Tiles, New Folder, Animal Hierarchy, Tax Calculator, Veterinarian, Wheel Defects, Paper Strip, Flight Connections, Special Actions, Car Rental, Language Teacher, Results Button, Shopping Details, Layout Terms, Home Workout, Fragments, Test Results, Numbers To Text, Social Life, Platformer, Speed Monitor, Flimsy Ladder, Circuit Simulator, Moving Steps, Agreement Terms, Vectors, Relative Layout, Live Score, Date Transform, Racer, Book Sale, Construction Game, Calories Burned, Chemical Machine.
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
- Configuration
- Multithreading
- Abstract Class
- Test Case Design
- Unit Testing
- Algorithmic Thinking
- Graphs
- Dynamic Programming
- HashSet
- Arrays
- Classes
- Objects
- Queue
- StringBuilder
- Sorting
- Life Cycle
- Fragments
- Layout
- Stream API
- Data Structures
- Conditions
- Animation
- Activity
- Relative Layout
- Android Service
- Synchronization
For job roles
- Android Developer
- Mobile Developer
Sample candidate report
What others say
Simple, straight-forward technical testing
TestDome is simple, provides a reasonable (though not extensive) battery of tests to choose from, and doesn't take the candidate an inordinate amount of time. It also simulates working pressure with the time limits.
Jan Opperman, Grindrod Bank
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