Kelten Stowe

Java-Assignment-005.iml

@@ -5,6 +5,7 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>

src/Quadratic.java

@@ -0,0 +1,50 @@
+import java.util.Scanner;
+
+public class Quadratic {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("Enter the values of coefficients (a), (b), and (c) for the quadratic equation ax^2 + bx + c = 0:");
+
+        // Prompts the user to input a, b, and c
+        System.out.print("Enter the value of coefficient a: ");
+        double a = validateInput(scanner);
+
+        System.out.print("Enter the value of coefficient b: ");
+        double b = validateInput(scanner);
+
+        System.out.print("Enter the value of coefficient c: ");
+        double c = validateInput(scanner);
+
+        // Calculates the discriminant
+        double discriminant = b * b - 4 * a * c;
+
+        // Checks if the discriminant is non-negative
+        if (discriminant >= 0) {
+            // Calculate the two roots of the quadratic equation
+            double root1 = (-b + Math.sqrt(discriminant)) / (2 * a);
+            double root2 = (-b - Math.sqrt(discriminant)) / (2 * a);
+
+            // Displays the roots
+            System.out.println("Root 1: " + root1);
+            System.out.println("Root 2: " + root2);
+        } else {
+            // Displays error message for imaginary roots
+            System.out.println("The roots are imaginary.");
+        }
+
+        scanner.close();
+    }
+
+    // Validates the input and handle exceptions
+    private static double validateInput(Scanner scanner) {
+        while (true) {
+            try {
+                return Double.parseDouble(scanner.nextLine());
+            } catch (NumberFormatException e) {
+                // Display error message for invalid input
+                System.out.println("Invalid input. Please enter a valid number.");
+            }
+        }
+    }
+}