public String toString(){
		StringBuffer sb = new StringBuffer();
		switch(type){
		case TYPE_VALUE:
			sb.append("VALUE(").append(value).append(")");
			break;
		case TYPE_LEFT_BRACE:
			sb.append("LEFT BRACE({)");
			break;
		case TYPE_RIGHT_BRACE:
			sb.append("RIGHT BRACE(})");
			break;
		case TYPE_LEFT_SQUARE:
			sb.append("LEFT SQUARE([)");
			break;
		case TYPE_RIGHT_SQUARE:
			sb.append("RIGHT SQUARE(])");
			break;
		case TYPE_COMMA:
			sb.append("COMMA(,)");
			break;
		case TYPE_COLON:
			sb.append("COLON(:)");
			break;
		case TYPE_EOF:
			sb.append("END OF FILE");
			break;
		}
		return sb.toString();
	}