Left: Implement composite structures

2020-12-08 18:38:32 +07:00
commit ce1a245ca6
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+package model.interfaces;
+
+/**
+ * IUndoable interface
+ *
+ * Responsibility: An interface that's part of the command pattern.
+ *
+ */
+
+public interface IUndoable {
+	void undo();
+	void redo();
+	void printShapeList();
+}