1    package expressions;
2    
3    import java.util.OptionalDouble;
4    
5    public class ExpressionsThing {
6        public static void main(String[] args) {
7            // Task 3 lab 4
8            double one = 3.14*5+5;
9            System.out.println("one = " + one);
10           double two = 3.14*(5+5);
11           System.out.println("two = " + two);
12           double three = (3.14*(5+5));
13           System.out.println("three = "+ three);
14           // Task 4
15           int four = (2*3);
16           System.out.println("four = " + four);
17           double five = (0.5*55);
18           System.out.println("five = " + five);
19           double six = (65./3.);
20           System.out.println("six = " + six);
21           double seven = (five+six);
22           System.out.println("seven = " + seven);
23           // Task 5
24           double eight = (3.14*(11.3*11.3));
25           System.out.println("eight = " + eight);
26           double nine = (27.7*27.7);
27           System.out.println("nine = " + nine);
28           double ten = ((eight+nine)/2);
29           System.out.println("ten = " + ten);
30           double eleven = (.17*243.5);
31           System.out.println("eleven = " + eleven);
32           // Task 6
33           int twelve = (3/3);
34           System.out.println("twelve = " + twelve);
35           int thirteen = ((4*2)-7);
36           System.out.println("thirteen = " + thirteen);
37           int fourteen = ((9-(7+1))+3);
38           System.out.println("fourteen = " + fourteen);
39           int fifteen = (((8+4)-6)-(2/2));
40           System.out.println("fifteen = " + fifteen);
41       }
42   
43   }
44   
45   
46