Dart num floor()
Syntax & Examples

num.floor() method

The `floor` method in Dart returns the greatest integer no greater than the given number.

Syntax of num.floor()

The syntax of num.floor() method is:

 int floor()

This floor() method of num returns the greatest integer no greater than this.

Return Type

num.floor() returns value of type int.


✐ Examples

1 Floor of a decimal number

In this example,

  1. We create a num variable num1 with the value 4.8.
  2. We use the floor() method to get its floor value as an integer.
  3. We then print the result to standard output.

Dart Program

void main() {
  num num1 = 4.8;
  int floorValue = num1.floor();
  print('Floor of $num1: $floorValue');
}

Output

Floor of 4.8: 4

2 Floor of a negative decimal number

In this example,

  1. We create a num variable negativeNum with the value -3.2.
  2. We use the floor() method to get its floor value as an integer.
  3. We then print the result to standard output.

Dart Program

void main() {
  num negativeNum = -3.2;
  int floorValue = negativeNum.floor();
  print('Floor of $negativeNum: $floorValue');
}

Output

Floor of -3.2: -4

3 Floor of an integer

In this example,

  1. We create a num variable integerNum with the value 7.0, which is already an integer.
  2. We use the floor() method to get its floor value as an integer.
  3. We then print the result to standard output.

Dart Program

void main() {
  num integerNum = 7.0;
  int floorValue = integerNum.floor();
  print('Floor of $integerNum: $floorValue');
}

Output

Floor of 7: 7

Summary

In this Dart tutorial, we learned about floor() method of num: the syntax and few working examples with output and detailed explanation for each example.