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Dart语言toString()方法
// Dart语言toString()方法 void main() { int n = 12; var res = n.toString(); print("New String: ${res}");
Dart语言substring()方法
// Dart语言substring()方法 void main() { String str1 = "Hello World"; print("New String: ${str1.substring(6)}");
Dart语言字符串split()方法
//Dart语言字符串split()方法 void main() { String str1 = "Today, is, Thursday"; print("New String: ${str1.split(',')}");
Dart语言字符串replaceAll()方法
void main() { String str1 = "Hello World"; print("New String: ${str1.replaceAll('World','ALL')}");
Dart语言字符串compareTo()方法
void main() { String str1 = "A"; String str2 = "A"; String str3 = "B";
Dart语言字符串trim()方法
void main() { String str1 = "hello"; String str2 = "hello world"; String str3 = "hello";
Dart语言字符串toUpperCase()方法
void main() { String uStr = "ABC"; String lStr = "hello"; print(uStr.toLowerCase());
Dart语言toLowerCase()方法
void main() { String uStr = "ABC"; String lStr = "hello"; print(uStr.toLowerCase());
Dart语言字符串length属性
void main() { String str = "Hello All"; print("The length of the string is: ${str.length}");
Dart语言字符串插值
void main() { int n=1+1; String str1 = "The sum of 1 and 1 is ${n}"; print(str1); String str2 = "The sum of 2 and 2 is ${2+2}";
Dart语言字符串
void main() { String str1 = 'this is a single line string'; String str2 = "this is a single line string";
Dart语言Truncate方法
void main() { double n1 = 2.123; var value = n1.truncate(); print("The truncated value of 2.123 = ${value}");
Dart语言toString方法
void main() { int n1 = 2; var value = n1.toString(); print( value is String ); }
Dart语言toInt方法
void main() { double n1 = 2.0; var value = n1.toInt(); print("Output = ${value}"); }
Dart语言toDouble方法
void main() { int n1 = 2; var value = n1.toDouble(); print("Output = ${value}"); }
Dart语言运行时向映射文字添加值
// Dart语言运行时向映射文字添加值 void main() { var details = {'Usrname':'tom','Password':'pass@123'};