## Dart编程实例 - 数字 isFinite 属性```dartvoid main() { int n = 5000; print(n.isFinite);}```
## Dart编程实例 - 数字 isInFinite 属性```dartvoid main() { int n = 5000; print(n.isInfinite);} ```
## Dart编程实例 - 数字 isNegative 属性```dartvoid main() { int posNum = 10; int negNum = -10; print(posNum.isNegative); print(negNum.isNegative);}```
## Dart编程实例 - 数字 isEven 属性```dartvoid main() { int posNum = 10; print(posNum.isEven);}```
## Dart编程实例 - 数字 isOdd 属性```dartvoid main() { int posNum = 10; print(posNum.isOdd);}```
## Dart编程实例 - Abs 方法```dartvoid main() { var a = -2; print(a.abs());}```
## Dart编程实例 - Ceil 方法```dartvoid main() { var a = 2.4; print(The ceiling value of 2.4 = ${a.ceil()});} ```
## Dart编程实例 - CompareTo 方法```dartvoid main() { var a = 2.4; print(a.compareTo(12)); print(a.compareTo(2.4)); print(a.compareTo(0));}```
## Dart编程实例 - Floor 方法```dartvoid main() { var a = 2.9; print(The floor value of 2.9 = ${a.floor()});}```
