some experimentation done

src/Week01/Week01.java → src/Week01/ArrayReview.java

@@ -2,7 +2,7 @@
 
 import java.util.Arrays;
 
-public class Week01 {
+public class ArrayReview {
 
     public static void main(String[] args) {
 

src/Week01/experimentation.java

@@ -0,0 +1,44 @@
+package Week01;
+
+import java.util.*;
+import java.io.*;
+
+public class experimentation {
+
+    public interface at {
+
+    }
+
+    @Override
+    protected Object clone() throws CloneNotSupportedException {
+
+
+        return super.clone();
+    }
+
+    protected int jogging = 0;
+    //jogging = 1;
+
+    //n is the initial size
+    //this size can change
+    int n = 4;
+    ArrayList<Integer> al = new ArrayList<Integer>(n);
+
+    int[] a = {1, 2, 3, 4, 5};
+
+    for(int i : a) {
+        System.out.println(a[i]);
+    }
+
+
+    Map<String, String> phonebook = new HashMap<>();
+    phonebook.put("Guy", "123456789");
+
+    Set<String> keys = phonebook.keySet();
+
+    for(String j : keys) {
+        System.out.println(i + " : " + phonebook.get(i));
+    }
+
+
+}