first commit

Homework 2/src/barnestr/Point.java

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+package barnestr;
+
+public class Point {
+    double x;
+    double y;
+
+    public Point(double x, double y) {
+        this.x = x;
+        this.y = y;
+    }
+
+    public double shiftRight(double shiftAmount) {
+        x += shiftAmount;
+        return shiftAmount;
+    }
+    public double shiftUp(double shiftAmount) {
+        y += shiftAmount;
+        return shiftAmount;
+    }
+
+    public double getX() {
+        return x;
+    }
+
+    public double getY() {
+        return y;
+    }
+}

Homework 2/src/barnestr/Rectangle.java

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+package barnestr;
+
+public class Rectangle {
+    Point topLeft;
+    Point bottomRight;
+
+    public Rectangle(Point topLeft, Point bottomRight) {
+        this.topLeft = topLeft;
+        this.bottomRight = bottomRight;
+    }
+
+    public double shiftRight(double shiftAmount) {
+        topLeft.x += shiftAmount;
+        bottomRight.x += shiftAmount;
+        return shiftAmount;
+    }
+
+    public double shiftUp(double shiftAmount) {
+        topLeft.y += shiftAmount;
+        bottomRight.y += shiftAmount;
+        return shiftAmount;
+    }
+
+    public void printCenter() {
+        double centerX = (topLeft.x + bottomRight.x)/2;
+        double centerY = (topLeft.y + bottomRight.y)/2;
+        System.out.println("x = " + centerX + " y = " + centerY);
+    }
+
+}

Homework 2/src/barnestr/RectangleDriver.java

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+package barnestr;
+
+public class RectangleDriver {
+    public static void main(String[] args) {
+        Point p1 = new Point(-3.0,1.0);
+        Point p2 = new Point(3.0,-1.0);
+        Rectangle rectangle = new Rectangle(p1,p2);
+        rectangle.printCenter();
+        rectangle.shiftUp(1.0);
+        rectangle.shiftRight(1.0);
+        rectangle.printCenter();
+    }
+}
+