For each of the following, write a single statement that performs the indicatedtask: 1. Compare the string in s1 to the string in s2 for equality of contents.
2. Append the string s2 to the string s1, using +=.
3. Determine the length of the string in s1.

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.