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Boo is a statically typed, imperative, object-oriented programming language created by Christian Schwartz in 1999. Boo is designed to be a simple, modern, and safe language that is easy to learn and use. It is also designed to be interoperable with C# and the .NET Framework. Boo was originally developed by Microsoft Research, but was later open-sourced and released under the MIT license.

Ask the right questions secure the right Boo talent among an increasingly shrinking pool of talent.

First 20 minutes

General Boo app knowledge and experience

The first 20 minutes of the interview should seek to understand the candidate's general background in Boo application development, including their experience with various programming languages, databases, and their approach to designing scalable and maintainable systems.

How would you define Boo programming language?

Boo is a statically typed, object-oriented language for the Common Language Infrastructure with a Python-inspired syntax.

What are the key features of Boo programming language?

Boo has key features such as type inference, closures, duck typing, generators, and built-in syntax for lists and dictionaries.

Describe the difference between static typing and dynamic typing in Boo.

In static typing, the type is checked at compile-time whereas in dynamic typing, the type is checked at runtime. Boo supports both static and dynamic typing.

How would you implement a class in Boo?

In Boo, a class can be implemented using the 'class' keyword followed by the class name and indented block of code.

What is the use of the 'yield' keyword in Boo?

The 'yield' keyword in Boo is used to define a generator, which is a special kind of function that can be paused and resumed, allowing it to produce a sequence of results instead of a single value.

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What you’re looking for early on

Does the candidate have a strong understanding of Boo language?

Has the candidate demonstrated problem-solving skills?

Is the candidate able to communicate effectively?

Does the candidate have experience with similar projects?

Next 20 minutes

Specific Boo development questions

The next 20 minutes of the interview should focus on the candidate's expertise with specific backend frameworks, their understanding of RESTful APIs, and their experience in handling data storage and retrieval efficiently.

How would you handle exceptions in Boo?

Exceptions in Boo can be handled using 'try', 'except', 'else', and 'ensure' blocks, similar to Python's try-except-finally construct.

What is the purpose of the 'duck' keyword in Boo?

The 'duck' keyword in Boo is used for duck typing, which allows an object's suitability for an operation to be determined by its actual runtime properties rather than its static type.

How would you implement inheritance in Boo?

In Boo, inheritance can be implemented by defining a class that extends another class using the 'extends' keyword.

What is the difference between '==' and 'is' operators in Boo?

'==' is used to compare the values of two objects, while 'is' is used to check if two references point to the same object.

How would you use list comprehensions in Boo?

List comprehensions in Boo can be used to create lists based on existing lists. They are defined using the 'for' keyword inside square brackets.

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At this point, a skilled Boo engineer should demonstrate strong problem-solving abilities, proficiency in Boo programming language, and knowledge of software development methodologies. Red flags include lack of hands-on experience, inability to articulate complex concepts, or unfamiliarity with standard coding practices.

Digging deeper

Code questions

These will help you see the candidate's real-world development capabilities with Boo.

What does the following Boo code do?
print 'Hello, World!'
This code prints the string 'Hello, World!' to the console.
What will be the output of the following Boo code?
a = 5
b = 10
print a + b
The output of this code will be 15, which is the sum of the variables a and b.
What does the following Boo code do?
numbers = [1, 2, 3, 4, 5]
print numbers[2]
This code creates an array named numbers and then prints the third element of the array, which is the number 3.
What does the following Boo code do?
import System.Threading

thread = Thread(Run)
thread.Start()

def Run():
    print 'Running in a separate thread.'
This code creates a new thread and starts it. The new thread runs the Run function, which prints 'Running in a separate thread.' to the console.

Wrap-up questions

Final candidate for Boo Developer role questions

The final few questions should evaluate the candidate's teamwork, communication, and problem-solving skills. Additionally, assess their knowledge of microservices architecture, serverless computing, and how they handle Boo application deployments. Inquire about their experience in handling system failures and their approach to debugging and troubleshooting.

What is the purpose of the 'as' keyword in Boo?

The 'as' keyword in Boo is used for type casting, which allows an object of one type to be treated as an object of another type.

How would you implement polymorphism in Boo?

Polymorphism in Boo can be implemented by defining a base class with a method to be overridden, and a derived class that overrides the method.

What is the difference between a struct and a class in Boo?

The main difference is that a struct is a value type and a class is a reference type. Also, a struct does not support inheritance, while a class does.

Boo application related

Product Perfect's Boo development capabilities

Beyond hiring for your Boo engineering team, you may be in the market for additional help. Product Perfect provides seasoned expertise in Boo projects, and can engage in multiple capacities.

Boo Consultive assessments

Boo Application Conversion Assessment Boo Application Integration Assessment Boo Data & Database Integration Assessment

Custom Boo development projects

Custom Boo App Conversion Boo Custom App Development Process App UI Design for Boo Facelifts

Hiring guide for Boo Engineers

Boo Developer Hiring Guide

What you’re looking for early on

The ideal back-end app developer

What you’re looking to see on the Boo engineer at this point.

Boo Consultive assessments

Custom Boo development projects