Releases system resources currently consumed by this
BufferStrategy and
removes it from the associated Component. After invoking this
method, getBufferStrategy will return null. Trying
to use a BufferStrategy after it has been disposed will
result in undefined behavior.
java.awt.Window.createBufferStrategy, java.awt.Canvas.createBufferStrategy, java.awt.Window.getBufferStrategy, java.awt.Canvas.getBufferStrategy
Diagram: Buffer