Write a method appendIfMissing which is passed a String s and a String e (for ending). If s doesn't already end with e, the method returns a new String which consists of the contents of s concatenated with e. It returns s otherwise.
For example, if s refers to the String "lightningbug" and e refers to the String "bug", the method returns "lightningbug".
If s refers to the String "Airplane II", and e refers to the String ": the Sequel", the method returns "Airplane II: the Sequel".

What is a costume plot? why is it important to a film or theater production?

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Which of the following statements is false? a. package access is rarely used. b. use the access modifier package to give a method or variable package access. c. classes in the same source file are part of the same package. d. if a program uses multiple classes from the same package, these classes can access each other's package access members directly through references to objects of the appropriate classes, or in the case of static members, through the class name.