Syntax Quiz - Languages Golang

Free practice quiz: Syntax (Languages Golang). 49 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. Which keyword is used to declare a variable in Go?

   1. var
   2. let
   3. const
   4. declare
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   Answer: A. var

   In Go, the `var` keyword is used to declare variables. For example: `var message string = "Hello, World!"`

2. Which Go construct is used for conditional execution based on a boolean expression?

   1. if statement
   2. switch statement
   3. for loop
   4. while loop
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   Answer: A. if statement

   The `if` statement is used for conditional execution in Go. It evaluates a boolean expression and executes a block of code if the expression is true.

3. What is the keyword used to import packages in Go?

   1. import
   2. include
   3. require
   4. use
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   Answer: A. import

   The `import` keyword is used to bring code from other packages into your current package.

4. What is the Go keyword for creating a new channel?

   1. make
   2. new
   3. channel
   4. create
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   Answer: A. make

   Channels are created using the built-in `make` function. Example: `myChannel := make(chan int)`.

5. What is the purpose of the `defer` keyword in Go?

   1. To schedule a function call to run just before the enclosing function returns
   2. To define a function that runs immediately
   3. To create a loop
   4. To declare a variable
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   Answer: A. To schedule a function call to run just before the enclosing function returns

   The `defer` statement defers the execution of a function call until the function returns. Deferred calls are executed in LIFO (Last-In, First-Out) order.

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