package javax.microedition.lcdui; public abstract class Displayable { public void addCommand(final Command cmd) { } public void setCommandListener(final CommandListener l) { } public void setTitle(final String s) { } public int getHeight() { throw new RuntimeException(); } public int getWidth() { throw new RuntimeException(); } public String getTitle() { throw new UnsupportedOperationException(); } public Ticker getTicker() { return null; } public void setTicker(final Ticker ticker) { } public boolean isShown() { return false; } public void removeCommand(final Command cmd) { } protected void sizeChanged(final int w, final int h) { } }