How do I convert strings between uppercase and lowercase in Java?

Question

What is the method for converting strings in Java between upper and lower case?

Answer 1

String#toLowerCase and String#toUpperCase are the methods you need.

Answer 2

There are methods in the String class; toUppercase() and toLowerCase().

i.e.

String input = "Cricket!"; String upper = input.toUpperCase(); //stores "CRICKET!" String lower = input.toLowerCase(); //stores "cricket!"  

This will clarify your doubt