A structure chart is also called a(n)

Which of the following would BEST protect equipment from a brown out?

A. HVAC system B. Surge suppressor C. UPS D. Power strip

What is the output of the following code?

``` public class Test { public static void main(String[] args) { String s1 = new String("Welcome to Java!"); String s2 = new String("Welcome to Java!"); if (s1.equals(s2)) System.out.println("s1 and s2 have the same contents"); else System.out.println("s1 and s2 have different contents"); } }``` a. s1 and s2 have the same contents b. s1 and s2 have different contents