.Write a interface called Editable. It is a 'promise' (for classes 'using it) to override a public method editThis(String newText). The 'promise needs to have guardian code which returns true if the edit succeeds, and false if the edit fails. The interface is public. Write an abstract class called Tweet which 'uses' Editable. It's OWN version of editThis needs to check if newText is 140 characters or less, If it is, then it calls this.set Text(newText) and returns true. Else, it returns false. As it is abstract, setText is an abstract method which takes in a String parameter and returns nothing. Write the header