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About the test:

Swift IOS测试旨在评估候选人对Swift编程语言及其在iOS开发中的应用的了解。该测试使用基于方案的MCQ来评估候选人在语法,内存管理,协议以及Uikit,Foundation和Core Data等关键领域的熟练程度。该测试还包括一个编码问题,以评估动手编程技能。

Covered skills:

  • Swift语法
  • 迅速处理错误
  • iOS的网络
  • 核心数据框架
  • 迅速编程
  • 快速的内存管理
  • 迅速的数据结构
  • iOS中的用户界面设计
  • iOS的并发

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9 reasons why
9 reasons why

Adaface Swift & iOS Test is the most accurate way to shortlist iOS开发人员s



Reason #1

Tests for on-the-job skills

The Swift & iOS Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • 有效理解和应用Swift语法
  • 有效地管理记忆
  • 迅速处理异常和错误
  • 与Swift中的各种数据结构一起工作
  • 在iOS应用程序中实施网络
  • 有效地设计用户界面
  • 利用核心数据框架进行数据管理
  • 理解和实施iOS的并发
  • 精通快速编程
Reason #2

No trick questions

no trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

View sample questions

The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface
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Reason #3

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

这些只是我们库中有10,000多个问题的一个小样本。关于此的实际问题 Swift&iOS测试 将是不可行的.

🧐 Question

Medium

Data Provider DispatchQueue
Closures
Asychronous operations.
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Consider the following code snippet:
 image
What will be printed after the code execution?

Medium

Property Observers
OOPs
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Consider the following Swift code snippet:
 image
What does the code print after execution?
A) 800, -100, 80, 80
B) 800, 800, 80, 72
C) 1000, 800, 100, 72
D) 800, 800, 80, 80
E) 800, 0, 80, 80

Medium

Class Destructor
OOPs
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What does the following Swift code output?
 image

Easy

Defer blocks
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What does the following Swift code output?
 image

Easy

Lazy Variables
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What does the following Swift code output?
 image

Medium

Completion Handlers
Views
Animations
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Consider the following iOS (Swift) code snippet:
 image
What will happen when this view controller appears?

A) The squareView will move 100 points to the right instantly and then change its background color to blue.
B) The squareView will not move, and its background color will not change.
C) The squareView will change its background color to blue instantly and then move 100 points to the right over 1 second.
D) The squareView will move 100 points to the right and change its background color to blue simultaneously over 1 second.
E) The squareView will move 100 points to the right over 1 second, and the background color will change to blue after 1 second.

Medium

UI Responder Chain
UI
Views
Interaction.
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Consider the following iOS (Swift) code snippet:
 image
When the user taps on the CustomButton, what will be the output? Note that UIButton is a subclass of UIControl by default.

A) Only "CustomButton touchesBegan" will be printed.
B) "CustomButton touchesBegan" and "CustomView touchesBegan" will be printed.
C) "CustomButton touchesBegan", "CustomView touchesBegan", and "ViewController touchesBegan" will be printed.
D) "CustomButton touchesBegan" and "ViewController touchesBegan" will be printed.
E) No output will be printed.

Medium

ViewController Buggy Code
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Here's two different ways to write the same code in iOS (Swift):
 image
Which of the following statements are correct?
 image

Easy

Registration Queue
Logic
Queues
Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount.
For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition.
⚠️⚠️⚠️ Note:
- The first line of the input is the length of the array. The second line contains all the elements of the array.
- The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function.
- You need to "print" the final result (not return it) to pass the test cases.

For the example discussed above, the input will be:
5
20 70 -40 30 -10

Your code needs to print the following to the standard output:
20 70 30 -40 -10

Medium

Visitors Count
Strings
Logic
Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. 
Example:

Input:
WWMMWWCCC

Expected Output: 
4W3C2M

Explanation: 
‘W’ has the highest count, then ‘C’, then ‘M’. 
⚠️⚠️⚠️ Note:
- The input is already parsed and passed to a function.
- You need to "print" the final result (not return it) to pass the test cases.
- If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’.
- If any of them have the same count, the output should follow this order - M, W, C.
🧐 Question🔧 Skill

Medium

Data Provider DispatchQueue
Closures
Asychronous operations.

3 mins

Swift
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Medium

Property Observers
OOPs

2 mins

Swift
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Medium

Class Destructor
OOPs

2 mins

Swift
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Easy

Defer blocks

2 mins

Swift
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Easy

Lazy Variables

2 mins

Swift
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Medium

Completion Handlers
Views
Animations

2 mins

iOS
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Medium

UI Responder Chain
UI
Views
Interaction.

3 mins

iOS
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Medium

ViewController Buggy Code

3 mins

iOS
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Easy

Registration Queue
Logic
Queues

30 mins

Coding
Solve

Medium

Visitors Count
Strings
Logic

30 mins

Coding
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Data Provider DispatchQueue
Closures
Asychronous operations.
Swift
Medium3 mins
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Property Observers
OOPs
Swift
Medium2 mins
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Class Destructor
OOPs
Swift
Medium2 mins
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Defer blocks
Swift
Easy2 mins
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Lazy Variables
Swift
Easy2 mins
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Completion Handlers
Views
Animations
iOS
Medium2 mins
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UI Responder Chain
UI
Views
Interaction.
iOS
Medium3 mins
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ViewController Buggy Code
iOS
Medium3 mins
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Registration Queue
Logic
Queues
Coding
Easy30 minsSolve
Visitors Count
Strings
Logic
Coding
Medium30 minsSolve
Reason #4

1200+ customers in 75 countries

customers in 75 countries
Brandon

借助 Adaface,我们能够将初步筛选流程优化达 75% 以上,为招聘经理和我们的人才招聘团队节省了宝贵的时间!


Brandon Lee, 人事主管, Love, Bonito

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Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment Swift&iOS测试 in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

Science behind Adaface tests
Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the Swift&iOS测试 from your dashboard by entering their email address.

Public link: You can create a public link for each test that you can share with candidates.

API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

invite candidates
Reason #7

Detailed scorecards & benchmarks

查看样本记分卡
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Reason #8

High completion rate

Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

test completion rate
Reason #9

Advanced Proctoring


Learn more

About the Swift & iOS Assessment Test

Why you should use Pre-employment Swift & iOS Online Test?

The Swift&iOS测试 makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

  • Swift语法
  • 快速的内存管理
  • 迅速处理错误
  • 迅速的数据结构
  • iOS的网络
  • iOS中的用户界面设计
  • 核心数据框架
  • iOS的并发
  • 迅速编程
  • 将Swift代码与Objective-C集成

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the Swift & iOS Online Test?

  • Swift语法

    Swift语法是指Swift编程语言的规则和结构。它涵盖了各种组件,例如变量,函数,控制流和面向对象的概念,使开发人员能够编写有效且可读的代码。

  • 在Swift

    中的内存管理中的内存管理中的内存管理中的内存管理SWIFT涉及管理内存资源的分配和交易分配,以确保有效的内存使用情况并防止应用程序中的内存泄漏。它包括概念,例如参考计数,具有ARC的自动内存管理(自动参考计数)以及强,弱和无需参考。

  • Swift中的错误处理

    在Swift中进行错误处理。允许开发人员优雅地处理,传播和从错误中恢复。它涉及使用诸如do-catch块,投掷和捕获错误以及处理不同类型的错误(例如运行时错误和特定域特异性错误)之类的机制。

  • swift

    中的数据结构SWIFT中的数据结构表示内存中数据的组织和存储。他们提供了存储,访问和操纵数据的有效方法。常见的数据结构包括阵列,字典,堆栈,队列和链接列表。

  • iOS中的网络

    iOS中的网络涉及iOS应用程序中网络连接和通信的集成。它包括概念,例如制作http/https请求,处理响应数据,实现静止API以及使用urlsession或alamofire诸如网络操作的库。

  • iOS

    用户界面设计iOS中的接口设计着重于为iOS应用程序创建视觉吸引力,直观和用户友好的接口。它涉及使用UIKIT框架,设计具有约束和自动布局的布局,实现用户交互以及合并设计原理以提供无缝的用户体验。

  • 核心数据框架

    核心数据iOS中的框架提供了一种面向对象的方法来管理应用程序的模型层。它使开发人员能够将数据存储,检索和操作数据作为对象,同时处理复杂的数据关系并提供诸如iOS </h4> <p>中的数据持久性,版本控制和自动更改跟踪之类的功能。

  • 并发iOS的并发涉及同时执行多个任务或操作以提高应用程序性能和响应能力。它包括多线程,大中央调度(GCD),操作队列和同步技术等概念,以管理并发执行并避免种族条件。</p> <h4> swift编程

    迅速编程包含整体迅速语言的知识和熟练程度涵盖语法,语言特征,最佳实践和发展技术。它包括理解诸如选项,封闭,仿制药,协议和高级语言功能之类的概念,使开发人员能够编写有效且可维护的Swift代码。

  • Full list of covered topics

    The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for Swift&iOS测试 to be based on.

    变量
    常数
    选项
    控制流
    功能
    关闭
    课程
    结构
    枚举
    内存分配
    自动参考计数(ARC)
    内存泄漏
    错误处理
    异常处理
    数组
    字典
    链接列表
    堆栈
    队列
    二进制树
    HTTP请求
    宁静的API
    JSON解析
    urlsession
    alamofire
    自动布局
    故事板
    xib
    表观
    收集意见
    核心数据基础
    实体关系
    获取数据
    更新数据
    删除数据
    多线程
    大中央调度(GCD)
    操作队列
    调度组
    并发问题
    代表
    协议
    扩展
    仿制药
    遗产
    多态性
    选项集
    操作员超载
    访问控制
    类型铸造
    元组
    字符串操纵
    错误类型
    异步编程
    网络概念
    单位测试
    调试
    持续集成
    自动测试
    代码文档
    Swift软件包管理器
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What roles can I use the Swift & iOS Online Test for?

  • iOS开发人员
  • 移动应用开发人员
  • Swift开发人员
  • iOS工程师

How is the Swift & iOS Online Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

  • Swift中的单元测试
  • Swift的性能优化
  • iOS中的多线程
  • 在iOS中调试和故障排除
  • App Store提交过程
  • 记忆泄漏在Swift中的检测和预防
  • iOS中的本地和远程通知
  • iOS中的缓存机制
  • 使用git的代码版本控制
  • iOS的国际化和本地化

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

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招聘经理认为,通过小组面试中提出的技术问题,他们能够判断哪些候选人得分更高,并与得分较差的候选人区分开来。他们是 非常满意 通过 Adaface 筛选入围的候选人的质量。


85%
减少筛查时间

Swift & iOS Hiring Test 常见问题解答

我可以将多个技能结合在一起,为一个自定义评估吗?

是的,一点没错。自定义评估是根据您的职位描述进行的,并将包括有关您指定的所有必备技能的问题。

您是否有任何反交换或策略功能?

我们具有以下反交易功能:

  • 不可解决的问题
  • IP策略
  • Web Protoring
  • 网络摄像头Proctoring
  • 窃检测
  • 安全浏览器

阅读有关[Proctoring功能](https://www.adaface.com/proctoring)的更多信息。

如何解释考试成绩?

要记住的主要问题是评估是消除工具,而不是选择工具。优化了技能评估,以帮助您消除在技术上没有资格担任该角色的候选人,它没有进行优化以帮助您找到该角色的最佳候选人。因此,使用评估的理想方法是确定阈值分数(通常为55%,我们为您提供基准测试),并邀请所有在下一轮面试中得分高于门槛的候选人。

我可以使用该测试的经验水平?

每个ADAFACE评估都是为您的职位描述/理想候选角色定制的(我们的主题专家将从我们的10000多个问题的图书馆中选择正确的问题)。可以为任何经验级别定制此评估。

每个候选人都会得到同样的问题吗?

是的,这使您比较候选人变得容易得多。 MCQ问题的选项和问题顺序是随机的。我们有[抗欺骗/策略](https://www.adaface.com/proctoring)功能。在我们的企业计划中,我们还可以选择使用类似难度级别的问题创建多个版本的相同评估。

我是候选人。我可以尝试练习测试吗?

不,不幸的是,我们目前不支持实践测试。但是,您可以使用我们的[示例问题](https://www.adaface.com/questions)进行练习。

使用此测试的成本是多少?

您可以查看我们的[定价计划](https://www.adaface.com/pricing/)。

我可以免费试用吗?

我刚刚搬到了一个付费计划。我如何要求自定义评估?

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立即尝试最候选的友好技能评估工具。
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Ready to use the Adaface Swift&iOS测试?
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40 min tests.
No trick questions.
Accurate shortlisting.
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