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String Properties in Dart Programming
Strings in Dart have certain properties attached to them. These properties come in handy in different use cases.
The most common used string properties are −
hashCode
isEmpty
isNotEmpty
length
runes
In this article, we will explore all the above mentioned properties of a string.
hashCode
The hashCode property of a string is used to print the hashCode number of the specific string on which it is called.
Example
Consider the example shown below −
void main(){
String name = "Tutorials Point";
print(name.hashCode);
}Output
147510269
isEmpty
The isEmpty property of a string returns true when the string is an empty string.
Example
Consider the example shown below −
void main(){
String name = "Tutorials Point";
print(name.isEmpty);
name = "";
print(name.isEmpty);
}Output
false true
isNotEmpty
The isNotEmpty property of a string returns true when the string is not empty.
Example
Consider the example shown below −
void main(){
String name = "Tutorials Point";
print(name.isNotEmpty);
name = "";
print(name.isNotEmpty);
}Output
true false
length
The length property of a string is used to print the number of characters that are present inside the string.
Example
Consider the example shown below −
void main(){
String name = "Tutorials Point";
print(name.length);
}Output
15
runes
The runes property is used to print the number of Unicode code-points present in the string.
Example
Consider the example shown below −
void main(){
String name = "Tutorials Point";
print(name.runes);
}Output
(84, 117, 116, 111, 114, 105, 97, 108, 115, 32, 80, 111, 105, 110, 116)
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