Scanner
1 importjava.util.Scanner;
2 importjava.lang.Math; // Note: Needed for
math functions
3
4 publicclassPaintEstimator {
5 publicstaticvoid
main(String[] args) {
6 Scanner scnr = new
Scanner(System.in);
7 doublewallHeight
= 0.0;
8 doublewallWidth
= 0.0;
9 doublewallArea
= 0.0;
10 doublegallonsPaintNeeded
= 0.0;
11 intcansNeeded = 0;
12
13 finaldoublesquareFeetPerGallons
= 350.0;
14 finaldoublegallonsPerCan
= 1.0;
15
16 System.out.println(“Enter
wall height (feet): “);
17 wallHeight = scnr.nextDouble();
18
19 // Prompt user to input wall’s width
20 System.out.println(“Enter
wall width (feet): “);
21 wallHeight = scnr.nextDouble();
22
23 // Calculate and output wall area
24 wallArea = wallHeight * wallWidth;
25 System.out.println(“Wall
area: square feet”);
26
27 // Calculate and output the amount of
paint in gallons needed to paint the wall
28 gallonsPaintNeeded =
wallArea/squareFeetPerGallons;
29 System.out.println(“Paint
needed: ” + gallonspaintneeded + ”
gallons”);
30
31 // Calculate and output the number of
1 gallon cans needed to paint the wall, rounded up to nearest integer
32 cansNeeded = gallonsPaintNeeded /
gallonsPerCan; //Hint:
this line is missing two operations
33 System.out.println(“Cans
needed: ” + cansNeeded + ” can(s)”);
34
35 return;
36 }
37 }
