push for exercises

dreadstuff · dreadstuff · commit a560ae4db2f7 · 2024-09-09T20:34:19.000-05:00
diff --git a/control-flow-and-collections/chapter-example/exercises/collections-exercises/arraylistpractice.java b/control-flow-and-collections/chapter-example/exercises/collections-exercises/arraylistpractice.java
@@ -0,0 +1,17 @@
+import java.util.ArrayList;
+
+public class arraylistpractice {
+    static public void main(String[] args) {
+            public static int sumEven(ArrayList<Integer> arr) {
+                int total = 0;
+                for (int integer : arr) {
+                    if (integer % 2 == 0) {
+                        total += integer;
+                    }
+                }
+                return total;
+        }
+
+
+    }
+}
diff --git a/control-flow-and-collections/chapter-example/exercises/collections-exercises/arraypractice.java b/control-flow-and-collections/chapter-example/exercises/collections-exercises/arraypractice.java
@@ -0,0 +1,11 @@
+public class arraypractice {
+    public static void main(String[] args) {
+        int[] integerArray = {1, 1, 2, 3, 5, 8};
+        for (int i = 0; i < integerArray.length; i++) {
+            if (integerArray[i] % 2 != 0) {
+                System.out.println(integerArray[i]);
+            }
+       }
+    }
+}
+
diff --git a/control-flow-and-collections/chapter-example/exercises/collections-exercises/foxarray.java b/control-flow-and-collections/chapter-example/exercises/collections-exercises/foxarray.java
@@ -0,0 +1,27 @@
+import java.util.Arrays;
+
+public class foxarray {
+    public static void main(String[] args) {
+        String str = "I would not, could not, in a box. I would not, could not with a fox. I will not eat them in a house. I will not eat them with a mouse.";
+        String[] words = str.split(" ");
+        System.out.println(Arrays.toString(words));
+        String[] sentences = str.split("\\.");
+        System.out.println(Arrays.toString(sentences));
+    }
+}
+
+
+
+
+
+
+//public class arraypractice {
+//    public static void main(String[] args) {
+//        int[] integerArray = {1, 1, 2, 3, 5, 8};
+//        for (int i = 0; i < integerArray.length; i++) {
+//            if (integerArray[i] % 2 != 0) {
+//                System.out.println(integerArray[i]);
+//            }
+//        }
+//    }
+//}
diff --git a/datatypes/datatypes-studio/src/main/java/org/launchcode/AreaValidation.java b/datatypes/datatypes-studio/src/main/java/org/launchcode/AreaValidation.java
@@ -0,0 +1,27 @@
+package org.launchcode;
+import radius.Int;
+
+import java.util.Scanner;
+
+public class AreaValidation {
+    public static void main(String[] args) {
+        double radius;
+        Scanner input;
+        input = new Scanner(System.in);
+
+        System.out.println("Enter Radius now!: ");
+        radius = input.nextDouble();
+        double area = circle.getArea(radius);
+
+        if (radius <= 0) {
+            System.out.println("Area must be a positive number");
+            input.close();
+        } else if (input.hasNextDouble()){
+            System.out.println("Radius must be a number");
+            input.close();
+        } else {
+            System.out.println("The area of a circle of radius " + radius + " is: " + area);
+            input.close();
+        }
+    }
+}
diff --git a/datatypes/datatypes-studio/src/main/java/radius/Int.java b/datatypes/datatypes-studio/src/main/java/radius/Int.java
@@ -0,0 +1,4 @@
+package radius;
+
+public class Int {
+}

-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +package radius;
++
 +public class Int {
 +}