04 04b

learning-java-2825378.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <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/Main.java

@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class Main {
+
+    public static void main(String[] args) {
+
+        System.out.println("Let's calculate the area of a triangle");
+
+        Scanner input = new Scanner(System.in);
+
+        System.out.println("Please input the base of the triangle (in inches).");
+        double base = input.nextDouble()
+
+        while (base <= 0) {
+            System.out.println("That's invalid. Please input the base of the triangle (in inches).");
+            base = input.nextDouble();
+        }
+
+        System.out.println("Please input the height of the triangle (in inches).");
+        double height = input.nextDouble();
+        while (height <= 0) {
+            System.out.println("That's invalid. Please input the base of the triangle (in inches).");
+            base = input.nextDouble();
+        }
+
+        double area = (base * height) / 2;
+        System.out.println("The area is " + height);
+
+    }
+}