String to int
void main() {
int a=10;
int b = int.parse("20");
print (a+b);
}
String to double
void main() {
int a=10;
double b=double.parse("2.2");
print(a+b);
}
int to String
void main() {
String b= 50.toString();
print(b);
}
double to String
void main() {
String b= 50.223.toString();
print(b);
}
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