calculate BMI

1 files changed, 70 insertions, 0 deletions

diff --git a/src/Q7/Person.java b/src/Q7/Person.java
new file mode 100644
index 0000000..c447cc2
--- /dev/null
+++ b/src/Q7/Person.java
@@ -0,0 +1,70 @@
+package Q7;
+
+public class Person {
+  private double bmi;
+  private double height;
+  private double weight;
+  private String category;
+  private String name;
+
+  public Person(String name, double weight, double height) {
+    this.name = name;
+    this.weight = weight;
+    this.height = height;
+    this.updateBMI();
+  }
+
+  public String getCategory() {
+    return this.getCategory(this.bmi);
+  }
+
+  public String getCategory(double bmi) {
+    if (bmi < 18.5) {
+      return "Underweight";
+    } else if (bmi < 25.0) {
+      return "Normal";
+    } else if (bmi < 30.0) {
+      return "Overweight";
+    }
+    return "Obese";
+  }
+
+  public String getName() {
+    return this.name;
+  }
+
+  public double getBMI() {
+    return this.bmi;
+  }
+
+  public double getHeight() {
+    return this.height;
+  }
+
+  public double getWeight() {
+    return this.weight;
+  }
+
+  public void setBMI(double bmi) {
+    this.bmi = bmi;
+  }
+
+  public void setHeight(double height) {
+    this.height = height;
+    this.updateBMI();
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public void setWeight(double weight) {
+    this.weight = weight;
+    this.updateBMI();
+  }
+
+  // BMI = (weight (lb) * 703) / ((height (in))^2)
+  private void updateBMI() {
+    this.setBMI((this.weight * 703) / Math.pow(height, 2));
+  }
+}