Given that string[] str has been initialized, to get a copy of str[0] with all the characters converted to uppercase, you would use the statement. group of answer choices str. touppercase(); str. uppercase(); str[0].uppercase(); str[0].touppercase();

str[0].toUpperCase( );

Explanation:

This is the correct synthax of calling the toUpperCase function that changes a string from lower case to upper case. the str[0] ensures that only the character at index 0 of the string is so converted.

str[0].toUpperCase(); is the correct answer to the following question.

Explanation:

In the following code is the code which is in the Java Programming Language.

Here, the variable "str" is the string data type array variable which contains characters or words and the index 0 "[0]" indicating the first element of the string array then, "toUpperCase()" is the built-in function that is used to convert lowercase string characters or words to the upper case.

So, the following code converts the first element of the string into the upper case.

i want to say d but i could be wrong however it is organized if that could happen..

hope it could