protected String nextLine() throws Exception {
			if (inHandle==null) {
				throw new Exception("Read Object Be Closed.");
			}
			if (!lastIsLine) {
				if (!inHandle.hasNextLine()) {
					throw new Exception("Read Error.");
				}
				if (!inHandle.nextLine().isEmpty()) {
					throw new Exception("This mast be empty.");
				}
				lastIsLine = true;
			}
			if (!inHandle.hasNextLine()) {
				throw new Exception("Read Error.");
			}
			return inHandle.nextLine();
		}