The language is Java. Apperantly Chegg experts go up till 8 multiple choice questions so here they are. Thanks ins advance.

9. Which of the following methods of the ADT stack accepts a parameter? a) push b) pop c) createStack d) peek e) None of the above. 10. Which one of the following strings contains balanced braces? a) ab[cde[fgthijk1) b) ab[cdeffghijjjkl) c) (abcfde)(fghijJkl d) tab[cde(fghijkl) e) None of the above. 11. A StackInterface class provides the specifications for a) only the array-based implementation of a stack b) only the reference-based implementation of a staclk c) only an implementation of a stack that uses the ADT list d) all the implementations of a stack e) None of the above. 12. What is the postfix form of the infix expression (a + b) (c/ d)? a) a b+ c d/ b) ab* c/d+ c) a+b*c/d d) a b + cd/ e) None of the above