method5 that accepts a string as its parameter an vo letters of the parameter) in upper case letters.

Approach

To convert the last two characters of a string "upperCase" in upper case, we will use the following built-in methods in method5

• upperCase.length() to obtain the length of the string.
• upperCase.substring(length - 2) to get the last two characters in a string.
• toUpperCase() method to change the specified characters of a string in upper case.