The **`queue.isEmpty` function** in Scala is used to check if a queue is empty or not. 

The illustration below shows the visual representation of the `queue.isEmpty` function.


> The following module is required in order to use the function: `scala.collection.mutable.Queue`

# 
## Syntax
---
``` scala
queue_name.isEmpty;
// where the queue_name is the name of the queue
```

## Parameter
The `queue.isEmpty` function does not require any parameters.

## Return value

If the queue is empty, the `queue.isEmpty` function returns `true`. Otherwise, it returns `false`.


## Code
The following code shows how to use `queue.isEmpty` function in Scala.


import scala.collection.mutable.Queue
object Main extends App {
  var queue = Queue[Int]()
  queue.enqueue(1);
  queue.enqueue(3);
  queue.enqueue(5);
  queue.enqueue(2);
  queue.enqueue(0);

  //filled queue
  println("The Queue is empty: " + queue.isEmpty);

  var queue_2 = Queue[Int]()

  //empty queue
  println("The Queue is empty: " + queue_2.isEmpty);
  
}

What is queue.isEmpty in Scala?

Syntax

Parameter

Return value

Code