Dart BigInt isOdd
Syntax & Examples

BigInt.isOdd property

The `isOdd` property checks whether a given big integer is odd.

Syntax of BigInt.isOdd

The syntax of BigInt.isOdd property is:

 bool isOdd

This isOdd property of BigInt whether this big integer is odd.

Return Type

BigInt.isOdd returns value of type bool.


✐ Examples

1 Check Oddness of Positive and Negative Numbers

In this example,

  1. We create two BigInt objects, num1 and num2, initialized with 10 and 15 respectively.
  2. We then use the isOdd property to check if these numbers are odd.
  3. We print the results to standard output.

Dart Program

void main() {
  BigInt num1 = BigInt.from(10);
  BigInt num2 = BigInt.from(15);
  bool isOdd1 = num1.isOdd;
  bool isOdd2 = num2.isOdd;
  print('10 is odd: $isOdd1');
  print('15 is odd: $isOdd2');
}

Output

10 is odd: false
15 is odd: true

2 Check Oddness of a Negative Number

In this example,

  1. We create a BigInt object, num, initialized with -7.
  2. We then use the isOdd property to check if this number is odd.
  3. We print the result to standard output.

Dart Program

void main() {
  BigInt num = BigInt.from(-7);
  bool isOdd = num.isOdd;
  print('-7 is odd: $isOdd');
}

Output

-7 is odd: true

3 Check Oddness of a Large Number

In this example,

  1. We create a BigInt object, num, by parsing the string '123456789012345678901234567890'.
  2. We then use the isOdd property to check if this large number is odd.
  3. We print the result to standard output.

Dart Program

void main() {
  BigInt num = BigInt.parse('123456789012345678901234567890');
  bool isOdd = num.isOdd;
  print('Large number is odd: $isOdd');
}

Output

Large number is odd: true

Summary

In this Dart tutorial, we learned about isOdd property of BigInt: the syntax and few working examples with output and detailed explanation for each example.