all but powersets

src/main/java/rocks/zipcode/io/quiz4/generics/GenericUtils.java

@@ -10,7 +10,9 @@ public class GenericUtils {
 
         List<T> result = new ArrayList<>();
 
-
+//        for (int i = 0; i < originalSet.size(); i++) {
+//            T[] arr = originalSet
+//        }
 
 
         return (Iterable<? extends Iterable<T>>) result;

src/main/java/rocks/zipcode/io/quiz4/generics/MyStack.java

@@ -1,25 +1,44 @@
 package rocks.zipcode.io.quiz4.generics;
 
+import java.util.Iterator;
+import java.util.Stack;
+
 /**
  * @author leon on 11/12/2018.
  */
-public class MyStack<SomeType> {
+public class MyStack<SomeType> implements Iterable {
+
+    Stack stack;
+
     public MyStack() {
-        throw new UnsupportedOperationException("Method not yet implemented");
+
+        this.stack = new Stack();
     }
 
     public Boolean isEmpty() {
-        return null;
+        return this.stack.isEmpty();
     }
 
     public void push(SomeType i) {
+        this.stack.push(i);
     }
 
     public SomeType peek() {
-        throw new UnsupportedOperationException("Method not yet implemented");
+
+        if(isEmpty()) {
+            return null;
+        }
+
+        return (SomeType) this.stack.peek();
     }
 
     public SomeType pop() {
-        return null;
+
+        return (SomeType) this.stack.pop();
+    }
+
+    @Override
+    public Iterator iterator() {
+        return this.stack.iterator();
     }
 }