round it two decimal places 1 import java.util.Scanner; 2 3 public class BMI 4 5 { 6 7 public static void main(String[]args) 8 9 { 10 11 double weightValue,heightValue,BMI; 12 13 Scanner Keyboard=new Scanner(System.in); 14 15 //Print the statement 16 17 System.out.println("Calculating Body Mass Index"); 18 19 20 //Get the weight from user 21 22 System.out.print("Enter your weight,in pounds:"); 23 weightValue=Keyboard.nextDouble(); 24 25 //Get the height from user 26 System.out.print("Enter your height.in inches:"); 27 28 heightValue=Keyboard.nextDouble(); 29 30 //Calculate BMI 31 BMI=weightValue*703/(heightValue*heightValue); 32 //Display the result 33 System.out.println("\nyour body mass index(BMI)is"+BMI); 34 35 //Check if the BMI is less than 18.5 36 if(BMI<18.5) 37 38 //Print the statement 39 System.out.println("you are underweight."); 40 41 //Check if the BMI is greater than 25 42 else if (BMI>25) 43 44 //print the statement 45 System.out.println("Your are overweight."); 46 47 else 48 49 //Print the statement 50 System.out.println("Your weight is optimal."); 51 } 52 }
I have this coding , and I want to round it two decimal places
1 import java.util.Scanner;
2
3 public class BMI
4
5 {
6
7 public static void main(String[]args)
8
9 {
10
11 double weightValue,heightValue,BMI;
12
13 Scanner Keyboard=new Scanner(System.in);
14
15 //Print the statement
16
17 System.out.println("Calculating Body Mass Index");
18
19
20 //Get the weight from user
21
22 System.out.print("Enter your weight,in pounds:");
23 weightValue=Keyboard.nextDouble();
24
25 //Get the height from user
26 System.out.print("Enter your height.in inches:");
27
28 heightValue=Keyboard.nextDouble();
29
30 //Calculate BMI
31 BMI=weightValue*703/(heightValue*heightValue);
32 //Display the result
33 System.out.println("\nyour body mass index(BMI)is"+BMI);
34
35 //Check if the BMI is less than 18.5
36 if(BMI<18.5)
37
38 //Print the statement
39 System.out.println("you are underweight.");
40
41 //Check if the BMI is greater than 25
42 else if (BMI>25)
43
44 //print the statement
45 System.out.println("Your are overweight.");
46
47 else
48
49 //Print the statement
50 System.out.println("Your weight is optimal.");
51 }
52 }
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