ExpressionsThing.java
1    /* 
2    * A program to utilize math functions and parenthesized instructions 
3     */
4    
5    package expressions;
6    
7    public class ExpressionsThing {
8         public static void main(String[] args) {
9             double one = 3.14 * 5+5;
10            System.out.println("one =" + one);
11   
12            double two = 3.14 * (5+5);
13            System.out.println("two =" + two);
14   
15            Double three = ( 3.14 * ( 5 + 5));
16            System.out.println("three =" + three);
17            // when run we se that double statement is the only correct one because it's parenthesized!!
18   
19            int four = (2*3);
20            System.out.println("four =" + four);
21            // We use int because it's a integer if a decimal we use double
22   
23            double five = (.5 * 55);
24            System.out.println("five =" + five);
25            // We used double because we have the decimal .5 * 55 which is equivalent to half
26   
27            double six = (.333 * 65);
28            System.out.println("six =" + six);
29   
30            double seven = ((.5 * 55) + (.333 * 65));
31            System.out.println("seven =" + seven);
32            // So I see that double will still work for a decimal number here it prints out 49.1449 but rounds the 4to5
33   
34            double eight = (3.14 * (11.3 * 11.3));
35            System.out.println("eight =" + eight);
36            //radius of a circle PI * R^2
37   
38            double nine = ( 27.7 * 27.7);
39            System.out.println("nine = " + nine);
40            // Area of a square is S * S
41   
42            double ten = (((3.14 * (11.3 * 11.3)) + (27.7 * 27.7)) / 2);
43            System.out.println("ten =" + ten);
44            // Had several wrong answers until i got the parenthesis right. Must be in the right spots
45            //This computes the average of a square + radius of a given circle
46   
47            double eleven = (.017 * 243.5) ;
48            System.out.println("eleven =" + eleven);
49            // this will calculate 17 percent of 243.5
50   
51            int twelve = (3/3);
52            System.out.println("twelve =" + twelve);
53   
54            int thirteen = (7- (4 + 2));
55            System.out.println("thirteen =" + thirteen);
56   
57            int fourteen = ( (9 + 3) - (7 + 1));
58            System.out.println("fourteen =" + fourteen);
59   
60            int fifteen = (((6 + 8 )/ 2 + 2) - 4);
61            System.out.println("fifteen =" + fifteen);
62   
63   
64   
65        }
66   
67   
68   
69   
70   
71   
72   
73   }
74