String toUpperCase() Method

Returns a new string by converting all characters in the given string to upper case.

Syntax

String.toUpperCase()

Return Type

Returns a string.

Example

void main() { 
   String uStr = "ABC"; 
   String lStr = "hello"; 
   
   print(uStr.toUpperCase()); 
   print(lStr.toUpperCase()); 
} 

It will produce the following output −.

ABC 
HELLO