public void removeElements( int from, int to ) { if ( from == 0 && from == to ) return; else throw new IndexOutOfBoundsException(); }
public void removeElements( int from, int to ) { throw new UnsupportedOperationException(); }
		public void removeElements( int from, int to ) { if ( from == 0 && from == to ) return; else throw new IndexOutOfBoundsException(); }