Android and Java Online Test

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The Android and Java online test assesses candidates' knowledge of the Android operating system and its primary programming language Java.

It's an ideal test for pre-employment screening. A good Android app developer needs to be able use Java and the Android SDK to design and create quality applications.

This online test requires candidates answer questions about the Android SDK and solve coding problems using Java.

Recommended Job Roles
Android Developer
Mobile Developer
Sample Candidate Report

Sample Free Questions

Screen Orientation

3min
  -  
Easy  
  -  
MCA

Android Event handling Public

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

(multiple correct answers possible)

Shared Preferences

3min
  -  
Easy  
  -  
MCQ

Android Data storage Public

What is the value of String number after the following code snippet:

SharedPreferences pref = getApplicationContext().getSharedPreferences("MyPref", MODE_PRIVATE);
Editor editor = pref.edit();
editor.putString("1", "2");
editor.putString("3", "4");
editor.commit();
String number = pref.getString("2", "3");

Merge Names

10min
  -  
Easy  
  -  
CODE

Java Arrays Public

Implement the uniqueNames method. When passed two arrays of names, it will return an array containing the names that appear in either or both arrays. The returned array should have no duplicates.

For example, calling MergeNames.uniqueNames(new String[]{'Ava', 'Emma', 'Olivia'}, new String[]{'Olivia', 'Sophia', 'Emma'}) should return an array containing Ava, Emma, Olivia, and Sophia in any order.

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Utilities, Runner, Document Store, Read Write Execute, Needle, Log Parser, Async Task, Driver Exam, Activity Result, LinearLayout, Crop Ratio, Programmer Teacher, Chicken, Paragraph, Username, Chain Link, Hobbies, Read First Line, Node, Download, Text Scaling, Shipping, Fragments, Racer, Stack to List, Back, Manifest, Recycler View, Snapshot, Date Transform, Segment, List View, Shelf, Internal Nodes, Moving Total, Entry, Unique Numbers, Rare, Remove Repetitions, Max Sum, Unique Name, Friend, Movie Night, Paper Strip, Stories, Train, Platformer, Snow Storm, Weighted Average, On Touch, Test Results, Product, Document Counter, Shining Star
Skills
Java OOP Bug fixing Memory management Language Arithmetic Strings Stream Serialization Android Multithreading Exceptions Event handling UI Data structures Arrays Iteration Algorithmic thinking Configuration Test case design Searching Graphs Sorting Dynamic programming Refactoring TDD
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