You must insert a comma after each element in the list of grouped selectors.

StringBuilder objects can be used in place of String objects if ________.

a. the string data is not constant b. the string data size may grow c. the programs frequently perform string concatenation d. All of the above.

What is the first step in the algorithm to evaluate an arithmetic expression?

A. transform the expression from postfix form to infix form B. calculate the result from the postfix expression C. calculate the result from the infix expression D. transform the expression from infix form to postfix form