Deleted/untracked unneeded files.

src/.vscode/launch.json

-{
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-        {
-            "type": "java",
-            "name": "Debug (Launch) - Current File",
-            "request": "launch",
-            "mainClass": "${file}"
-        },
-        {
-            "type": "java",
-            "name": "Debug (Launch)-Main<src_311626d8>",
-            "request": "launch",
-            "mainClass": "Main",
-            "projectName": "src_311626d8"
-        },
-        {
-            "type": "java",
-            "name": "Debug (Launch)-TestMain<src_311626d8>",
-            "request": "launch",
-            "mainClass": "TestMain",
-            "projectName": "src_311626d8"
-        }
-    ]
-}
\ No newline at end of file

src/test/.vscode/launch.json

-{
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-        {
-            "type": "java",
-            "name": "Debug (Launch) - Current File",
-            "request": "launch",
-            "mainClass": "${file}"
-        },
-        {
-            "type": "java",
-            "name": "Debug (Launch)-TestMain<test_5834f569>",
-            "request": "launch",
-            "mainClass": "TestMain",
-            "projectName": "test_5834f569"
-        }
-    ]
-}
\ No newline at end of file

src/test/Action.java

-public abstract class Action {
-    enum Type {CHANGE_CELL_VALUE, CLEAR_BOARD, SAMPLE};
-
-    private Type type;
-    private boolean flipped = false;
-
-    public Action(Type type) {
-        this.type = type;
-    }
-
-    public Type getType() {
-        return type;
-    }
-
-    public boolean isFlipped() {
-        return flipped;
-    }
-
-    public void reverse() {
-        flipped = !flipped;
-    }
-}

src/test/LimitedStack.java

-public class LimitedStack<T> implements LimitedStackBase<T> {
-    final int maxSize;
-    int size = 0;
-    int head = 0;
-    
-    T[] data;
-
-    public LimitedStack(LimitedStack<T> other) {
-        this(other.maxSize);
-        this.size = other.size;
-        this.head = other.head;
-
-        System.arraycopy(other.data, 0, data, 0, maxSize);
-    }
-
-    public LimitedStack(int maxSize) {
-        this.maxSize = maxSize;
-        data = (T[])new Object[maxSize];
-    }
-
-    @Override
-    public void push(T item) {
-        if (isFull()) {
-            head = loop(head, 1);
-            size--;
-        }
-
-        data[loop(head, size)] = item;
-        size++;
-    }
-
-    public T popHead() {
-        assert (!isEmpty());
-        T a = data[head];
-        size--;
-        head = loop(head, 1);
-        return a;
-    }
-
-    /*@Override
-    public void push(Action item, int pos) {
-
-    }*/
-
-    @Override
-    public T pop() {
-        assert(!isEmpty());
-        T item = data[loop(head, size - 1)];
-        size--;
-        return item;
-    }
-
-    @Override
-    public boolean isEmpty() {
-        return size == 0;
-    }
-
-    public T[] toArray() {
-        T[] arr = (T[]) new Object[size];
-        for (int i = 0; i < size; i ++) {
-            arr[i] = data[loop(head, i)];
-        }
-        return arr;
-    }
-
-    @Override
-    public boolean isFull() {
-        return size == maxSize;
-    }
-
-    private int loop(int index,int offset) {
-        return (index + offset) % maxSize;
-    }
-
-    @Override
-    public void clear() {
-        size = 0;
-    }
-
-    @Override
-    public String toString() {
-        StringBuilder sb = new StringBuilder();
-        sb.append('[');
-        for (int i = 0; i < size; i++) {
-            sb.append(data[loop(head, i)]);
-            sb.append(", ");
-        }
-        sb.append(']');
-        return sb.toString();
-
-
-    }
-
-}

src/test/LimitedStackBase.java

-public interface LimitedStackBase<E> {
-    /**
-     * Pushes item at the end
-     */
-    void push(E item);
-    //void push(E item, int pos);
-    E pop();
-
-    boolean isEmpty();
-    boolean isFull();
-    E popHead();
-    void clear();
-
-}

src/test/SampleAction.java

-public class SampleAction extends Action {
-    String message;
-    public SampleAction(String message) {
-        super(Type.SAMPLE);
-        this.message = message;
-    }
-
-    @Override
-    public String toString() {
-        return message;
-    }
-}

src/test/TestMain.java

-public class TestMain {
-    public static void main(String[] args) {
-        LimitedStack stack = new LimitedStack(3);
-        stack.push(new SampleAction("aardvark"));
-        stack.push(new SampleAction("pig"));
-        stack.push(new SampleAction("dog"));
-        stack.push(new SampleAction("sheep"));
-        stack.push(new SampleAction("wolf"));
-        stack.push(new SampleAction("horse"));
-        Action temp = stack.pop();
-        temp = stack.pop();
-        temp = stack.pop();
-    }
-}

src/trash/Action.java

-public abstract class Action {
-    enum Type {CHANGE_CELL_VALUE, CLEAR_BOARD, SAMPLE};
-
-    private Type type;
-    private boolean flipped = false;
-
-    public Action(Type type) {
-        this.type = type;
-    }
-
-    public Type getType() {
-        return type;
-    }
-
-    public boolean isFlipped() {
-        return flipped;
-    }
-
-    public void reverse() {
-        flipped = !flipped;
-    }
-}