dart touppercase
void main() {
String uStr = "ABC";
String lStr = "hello";
print(uStr.toUpperCase());
print(lStr.toUpperCase());
}dart touppercase
void main() {
String uStr = "ABC";
String lStr = "hello";
print(uStr.toUpperCase());
print(lStr.toUpperCase());
}Copyright © 2021 Codeinu
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