7. Which of the following statements is false? a. Variables declared in the body of a particular method are local variables and can be used only in that method. b. A method's parameters are local variables of the method. c. Every method's body is delimited by left and right braces (f and )). d. Keyword null indicates that a method will perform a task but will not return any information. 8. Which of the following statements is false? a. The method's return type specifies the type of data returned to a method's caller. b. Empty parentheses following a method name indicate that the method does not require any parameters to perform its task. When a method that specifies a return type other than void is called and completes its task, the method must c. return a result to its calling method d. Classes often provide public methods to allow the class's clients to set or get private instance variables; the names of these methods must begin with set or get. class. 9. A class that creates an object of another class, then calls the object's methods, is called a(n) a. object-oriented b. inherited c. caller d. driver