just solve 1. Problem E

question 3.9

questin 4.19

CSCI 310 Homework 2 Due: February 9,2018 Points: 40 Problem E: (5 Points) Consider the Shape interface presented on page 12 of Appendix E. Create a new class for a regular hexagon that implements the Shape interface. The constructor must accept the length of a side of the hexagon as input. Your class definition must be written using correct Java syntax. Problem F: (4 Points) Use the exponential average formula to predict the value of ts given the following: to=400 tn = 100 for n = 0, 1,2,3,4 =0.4 3.9 (5 Points) Answer the question assuming there are only two fork system calls within main: int main) f fork); fork ); Justify your answer. (10 Points) Write a Java program to solve this problem. For full credit show that your program executes correctly. 4.19 (16 Points) Use the following set of process characteristics in place of those given in the text: 5.12 Process Burst Time Priority P3 921 4 The Burst Time is given in milliseconds. For RR, use a quantum size of 2 milliseconds. Spring 2018