Add the following methods to ArrayBoundedStack class 1. popTwo-removes the top two elements of the stack; throws StackUnderflowException if there are less than two elements on the stack
2. swapBottom- returns false if there are less than two elements on the stack; otherwise reverses the order of bottom two elements on the stack and returns true.

A(n) is a small bit of text separated from the rest of the paragraph at the top of a column or page.

Write a loop that reads positive integers from standard input and that terminates when it reads an integer that is not positive. after the loop terminates, it prints out, on a line by itself and separated by spaces, the sum of all the even integers read, the sum of all the odd integers read, a count of the number of even integers read, and a count of the number of odd integers read, all separated by at least one space. declare any variables that are needed. assume the availability of a variable, stdin, that references a scanner object associated with standard input. that is, stdin = new scanner(system.in); is given.

The fourth generation of computers emerged between 1970s and 1980s. which technological advancement brought about this generation of computers? which computer architecture was used most in this generation?