Liang LiveExample by Y. Daniel Liang

import java.util.Scanner; public class ComputeAndInterpretBMI { public static void main(String[] args) { Scanner input = new Scanner(System.in); // Prompt the user to enter weight in pounds System.out.print("Enter weight in pounds: "); double weight = input.nextDouble(); // Prompt the user to enter height in inches System.out.print("Enter height in inches: "); double height = input.nextDouble(); final double KILOGRAMS_PER_POUND = 0.45359237; // Constant final double METERS_PER_INCH = 0.0254; // Constant // Compute BMI double weightInKilograms = weight * KILOGRAMS_PER_POUND; double heightInMeters = height * METERS_PER_INCH; double bmi = weightInKilograms / (heightInMeters * heightInMeters); // Display result System.out.println("BMI is " + bmi); if (bmi < 18.5) System.out.println("Underweight"); else if FILL_CODE_OR_CLICK_ANSWER System.out.println("Normal"); else if (bmi < 30) System.out.println("Overweight"); else System.out.println("Obese"); } }

Enter input data for the program (Sample data provided below. You may modify it.)

Choose a JDK:

JDK8>javac ComputeAndInterpretBMI.java Compiled successful JDK8>java ComputeAndInterpretBMI Enter weight in pounds: 146.0 Enter height in inches: 70.0 BMI is 20.948603801493316 Normal JDK8>

import java.util.Scanner;

public class ComputeAndInterpretBMI {
  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    
    // Prompt the user to enter weight in pounds
    System.out.print("Enter weight in pounds: ");
    double weight = input.nextDouble();
    
    // Prompt the user to enter height in inches
    System.out.print("Enter height in inches: ");
    double height = input.nextDouble();
    
    final double KILOGRAMS_PER_POUND = 0.45359237; // Constant
    final double METERS_PER_INCH = 0.0254; // Constant 
    
    // Compute BMI
    double weightInKilograms = weight * KILOGRAMS_PER_POUND; 
    double heightInMeters = height * METERS_PER_INCH; 
    double bmi = weightInKilograms / 
      (heightInMeters * heightInMeters);

// Display result
    System.out.println("BMI is " + bmi);
    if (bmi < 18.5)
      System.out.println("Underweight");
    else if FILL_CODE_OR_CLICK_ANSWER
      System.out.println("Normal");
    else if (bmi < 30)
      System.out.println("Overweight");
    else
      System.out.println("Obese");
  }
}