The string toUpperCase() method converts all characters of the string into an uppercase letter. The string toUpperCase() function returns the string after converting all characters of the string into the uppercase letter.
Syntax:
Str.toUpperCase()- Parameter: The string toUpperCase() function doesn't accept any parameter.
- Return Value: The string toUpperCase() function returns the string after converting all characters of the string into the uppercase letter.
Image Representation:
Example 1 :
void main() {
// str1 stores the string "geeks"
String Str1 = "geeks";
// str2 stores the string "fOr GEeks"
String Str2 = "fOr GEeks";
// print str1 in uppercase letter
print(Str1.toUpperCase());
// print str2 in uppercase letter
print(Str2.toUpperCase());
}
Output:
GEEKS
FOR GEEKS
Example 2 :
void main() {
// str1 stores the string "COMPUTER"
String Str1 = "COMPUTER";
// str2 stores the string "laPToP"
String Str2 = "laPToP";
// print str1 in uppercase letter
print(Str1.toUpperCase());
// print str2 in uppercase letter
print(Str2.toUpperCase());
}
Output:
COMPUTER
LAPTOP