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Cheddar is a proprietary, interpreted, object-oriented programming language developed by Apple Inc. in the early 1980s. It was designed as a successor to the earlier Apple Pascal language, and was used to develop a number of early Macintosh applications. However, it was ultimately replaced by Objective-C in the late 1980s. References: - [Wikipedia article on Cheddar](https://en.wikipedia.org/wiki/Cheddar_(programming_language))

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

First 20 minutes

General Cheddar app knowledge and experience

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

How would you initialize a new project in Cheddar?

You would initialize a new project in Cheddar by using the command 'cheddar init'. This command creates a new directory with a basic project structure and a default cheddar.json file.

What are the basic data types in Cheddar?

The basic data types in Cheddar are Number, String, Boolean, Array, Object, Null, and Undefined.

Describe the difference between a function statement and a function expression in Cheddar.

A function statement is a standalone function declaration, while a function expression is a function that is part of another expression, often assigned to a variable. Function expressions in Cheddar can be anonymous.

How would you define a class in Cheddar?

You can define a class in Cheddar using the 'class' keyword followed by the class name and then the class body inside curly braces. The class body can contain properties and methods.

What are the different ways to create an object in Cheddar?

In Cheddar, you can create an object using the object literal syntax, the Object constructor, or the Object.create() method.

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What you’re looking for early on

Does the candidate have a strong understanding of the Cheddar programming language?

Has the candidate demonstrated problem-solving skills during the interview?

Is the candidate able to communicate effectively?

Does the candidate have relevant experience or projects?

Next 20 minutes

Specific Cheddar 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.

Describe the difference between '==' and '===' in Cheddar.

'==' checks for equality with type coercion, meaning it will convert the operands to a common type before comparison. '===' checks for equality without type coercion, meaning it will not convert the operands and will return false if they are of different types.

How would you handle exceptions in Cheddar?

In Cheddar, exceptions can be handled using the 'try', 'catch', and 'finally' statements. The 'try' block contains the code that might throw an exception, the 'catch' block contains the code to handle the exception, and the 'finally' block contains the code to be executed regardless of whether an exception is thrown or not.

What are closures in Cheddar?

Closures in Cheddar are functions that have access to the parent scope, even after the parent function has closed. This is a powerful feature in Cheddar that enables data privacy and function factories.

Describe the difference between 'null' and 'undefined' in Cheddar.

'null' in Cheddar is an assignment value that represents no value or no object. It is an intentional absence of any object value. 'undefined' means a variable has been declared but has not yet been assigned a value.

How would you implement inheritance in Cheddar?

In Cheddar, inheritance can be implemented using the 'extends' keyword. You create a child class that extends the parent class, and the child class will inherit all the properties and methods of the parent class.

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At this point, a skilled Cheddar engineer should demonstrate strong problem-solving abilities, proficiency in Cheddar 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 Cheddar.

What does the following Cheddar code do?
let x = 5;
let y = 10;
let z = x + y;
The code declares two variables x and y with values 5 and 10 respectively, then declares a third variable z and assigns it the sum of x and y.
What will be the output of the following Cheddar code?
let str = 'Hello, World!';
print(str);
The output of the code will be 'Hello, World!' because the print function is used to print the value of the variable str.
What does the following Cheddar code do?
let arr = [1, 2, 3, 4, 5];
let sum = arr.reduce((a, b) => a + b, 0);
The code declares an array with five elements and then uses the reduce function to sum all the elements of the array. The result is stored in the variable sum.
What does the following Cheddar code do?
thread (=> {
  print('Hello from thread!');
});
The code creates a new thread and prints 'Hello from thread!' from within that thread.

Wrap-up questions

Final candidate for Cheddar 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 Cheddar application deployments. Inquire about their experience in handling system failures and their approach to debugging and troubleshooting.

What are promises in Cheddar?

Promises in Cheddar are objects that represent the eventual completion or failure of an asynchronous operation. They are used to handle asynchronous operations in a more flexible and powerful way than callbacks.

Describe the difference between 'let', 'const', and 'var' in Cheddar.

'let' is block-scoped and can be updated but not re-declared. 'const' is also block-scoped, but it cannot be updated or re-declared. 'var' is function-scoped or globally scoped and can be updated and re-declared.

How would you use the 'map' function in Cheddar?

The 'map' function in Cheddar is used to create a new array by calling a provided function on every element in the calling array. The provided function can transform the element in some way before it is added to the new array.

Cheddar application related

Product Perfect's Cheddar development capabilities

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

Cheddar Consultive assessments

Cheddar Application Conversion Assessment Cheddar Application Integration Assessment Cheddar Data & Database Integration Assessment

Custom Cheddar development projects

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

Hiring guide for Cheddar Engineers

Cheddar Developer Hiring Guide

What you’re looking for early on

The ideal back-end app developer

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

Cheddar Consultive assessments

Custom Cheddar development projects