chapter 7 (16 questions) array subscripts number of elements in array declaring and initializing array passing array to method binary search algorithm arraylist methods ragged array two-dimensional array using for loop with array and arraylist chapters (8, 9, and 10) 24 questions deep copy of an object static key word in class tostring() method enum how to compare two objects? this super abstract class concrete class private, protected, public, and package interface vs class overloading vs overriding subclass superclass extends vs implements polymorphism