package course.examples.Graphics.CanvasBubble; public class Coords { float mX; float mY; public Coords(float x, float y) { mX = x; mY = y; } synchronized Coords move (Coords dxdy) { return new Coords(mX + dxdy.mX , mY + dxdy.mY); } synchronized Coords getCoords() { return new Coords(mX, mY); } @Override public String toString () { return "(" + mX + "," + mY + ")"; } }