Add 12

12.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+class Point {
+public:
+		int x;
+		int y;
+		Point(int x, int y) {
+				this->x = x;
+				this->y = y;
+		}
+};
+
+int main() {
+		Point* p1 = new Point(0, 0);
+		Point* p2 = new Point(10, 20);
+		printf("%s %s\n", "Point", "Point");
+		printf("%d %d\n", p1->x, p2->x);
+		p1 = p2;
+		printf("%d %d\n", p1->x, p2->x);
+		p1->x = 100;
+		printf("%d %d\n", p1->x, p2->x);
+}

12.cs

@@ -0,0 +1,22 @@
+using System;
+
+public class Point {
+				public int x, y;
+				public Point(int x, int y) {
+								this.x = x;
+								this.y = y;
+				}
+}
+
+class MainRunner {
+  static void Main() {
+						Point p1 = new Point(0, 0);
+						Point p2 = new Point(10, 20);
+						Console.WriteLine(p1 + " " + p2);
+						Console.WriteLine(p1.x + " " + p2.x);
+						p1 = p2;
+						Console.WriteLine(p1.x + " " + p2.x);
+						p1.x = 100;
+						Console.WriteLine(p1.x + " " + p2.x);
+  }
+}