Created scanner input method

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 +1,43 @@
+import java.util.Scanner;
+
+public class Quadratic {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+
+        // Prompt and validate input
+        double a = getInput(scanner, "a");
+        double b = getInput(scanner, "b");
+        double c = getInput(scanner, "c");
+
+        // Calculate discriminant
+        double split = b * b - 4 * a * c;
+
+        // Check for different roots
+        if (split > 0) {
+            // Two real roots
+            double root1 = (-b + Math.sqrt(split)) / (2.0 * a);
+            double root2 = (-b - Math.sqrt(split)) / (2.0 * a);
+            System.out.printf("The roots are: %.2f and %.2f\n", root1, root2);
+        } else if (split == 0) {
+            // One real root
+            double root = -b / (2.0 * a);
+            System.out.printf("The root is: %.2f\n", root);
+        } else {
+            // No real roots
+            System.out.println("The equation has no real roots.");
+        }
+
+        scanner.close(); // Close Scanner
+    }
+
+    private static double getInput(Scanner scanner, String name) {
+        System.out.printf("Enter input for %s :", name);
+        while (!scanner.hasNextDouble()) {
+            System.out.printf("Invalid input for %s. Please enter an valid number: ", name);
+            scanner.next(); // Clear invalid input
+        }
+        return scanner.nextDouble();
+    }
+}