From 9063cf210897d85bda4e79c2c46cc82a13cf20dd Mon Sep 17 00:00:00 2001
From: Molly-19 <severdiamolly@gmail.com>
Date: Sun, 25 Feb 2024 21:47:07 -0800
Subject: [PATCH] Molly Severdia Assignment 005

---
 .idea/misc.xml          |  2 +-
 .idea/vcs.xml           |  6 +++++
 Java-Assignment-005.iml |  1 +
 src/Quadratic.java      | 53 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 .idea/vcs.xml
 create mode 100644 src/Quadratic.java

diff --git a/.idea/misc.xml b/.idea/misc.xml
index 639900d..69ace3f 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="openjdk-21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Java-Assignment-005.iml b/Java-Assignment-005.iml
index b46c0dd..e1006ff 100644
--- a/Java-Assignment-005.iml
+++ b/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>
\ No newline at end of file
diff --git a/src/Quadratic.java b/src/Quadratic.java
new file mode 100644
index 0000000..1174bde
--- /dev/null
+++ b/src/Quadratic.java
@@ -0,0 +1,53 @@
+import java.util.Scanner;
+
+public class Quadratic {
+
+    public static void main(String[] args){
+
+        Scanner in = new Scanner(System.in);
+        double a, b, c;
+        System.out.println("Solve the quadratic equation ax\u00B2 + bx +c = 0");
+
+        System.out.println("Enter a value for a: ");
+        if (in.hasNextDouble()){
+            a = in.nextDouble();
+                if (a == 0){
+                    System.err.println("a cannot be 0");
+                    return;
+                }
+        } else {
+            System.err.println("Value must be a real number.");
+            return;
+        }
+
+        System.out.println("Enter a value for b: ");
+        if (in.hasNextDouble()){
+            b = in.nextDouble();
+        } else {
+            System.err.println("Value must be a real number.");
+            return;
+        }
+
+        System.out.println("Enter a value for c: ");
+        if (in.hasNextDouble()){
+            c = in.nextDouble();
+        } else {
+            System.err.println("Value must be a real number.");
+            return;
+        }
+
+        // calculate determinant and solution(s)
+        double det = Math.pow(b,2) - 4*a*c;
+        if (det < 0){
+            System.err.println("There are no real number solutions.");
+        } else if (det == 0){
+            double solution = -b / (2*a);
+            System.out.printf("The solution is %f", solution);
+        } else {
+            double sol1, sol2;
+            sol1 = (-b - Math.sqrt(Math.pow(b,2)) - 4*a*2)/(2*a);
+            sol2 = (-b + Math.sqrt(Math.pow(b,2)) - 4*a*2)/(2*a);
+            System.out.printf("The solutions are %f and %f", sol1, sol2);
+        }
+    }
+}