All of the following are search methods of the ArrayList class except:

From the symbols of grammar given by the text, what is used to signify “x or y”?

a. x ^ y b. x % y c. x | y d. x && y

Consider the classes below, declared in the same file:

``` class A { int a; public A() { a = 7; } } class B extends A { int b; public B() { b = 8; } } ``` Which of the statements below is false? a. Both variables a and b are instance variables. b. After the constructor for class B executes, the variable a will have the value 7. c. After the constructor for class B executes, the variable b will have the value 8. d. A reference of type A can be treated as a reference of type B.