Premium Questions for Go Test
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The Go (Golang) programming language is a simple, modern, general-purpose language. Having a basic familiarity with the programming language used on the job is a prerequisite for quickly getting up to speed.
Iteration is the act of repeating a process, or cycling through a collection. Iteration is one of the fundamental flow control tools available to developers.
Map is a data type composed of a collection of key-value pairs, where each possible key appears at most once in the collection. It is used when we need to access items by their keys and we need to know their order.
Higher order function
A slice is a dynamically-sized, flexible view into the elements of an array. In practice they are the most often used Go data structure.
Higher order function
A higher order function is a function that takes another function as an argument, or returns another function. Developers often use them for writing reusable code.
An interface is used to define an abstract type that defines behaviors as method signatures. Instances of different types can implement the same interface and provide a way for a developer to reuse the code.
Embedded fields, also known as anonymous fields, allow extending the functionalities of the embedded types into the embedding type. With them, programmers don't need to re-implement the same functionalities twice.
A channel is a communication object that uses goroutines to communicate. Go developers should often use it to transfer data from one goroutine to another.
Multi-threading allows a process to make more efficient use of modern hardware by allowing code to execute asynchronously. It can drastically improve the performance of any app; however, it can be tricky to get right, making this an important topic for any programmer.
When using multithreading, developers need to know how to make one thread wait for another to finish its task before continuing with its work.
When designing and/or analyzing an algorithm or data structure, it is important to consider the performance and structure of an implementation. Algorithmic thinking is one of the key traits of a good programmer, especially one working on complex or performance-critical code.
Recommended Job Roles
These are the job roles that we recommend for the Go online test.