this.predecessors = new ArrayList(); this.successors = new ArrayList();
this.predecessors = new BootableArrayList(); this.successors = new BootableArrayList();
	public BasicBlock(int startPC, int endPC, boolean startOfExceptionHandler) {		this.startPC = startPC;		this.endPC = endPC;		this.startOfExceptionHandler = startOfExceptionHandler;		this.predecessors = new ArrayList();		this.successors = new ArrayList();	}