Download the formatter and run it with: To reformat changed lines in a specific patch, use google-java-format-diff.py. Note: There is no configurability as to the formatter's algorithm for formatting.

A program will not run if it has syntax errors. Any such errors must be fixed first. A good integrated development environment (IDE) will usually point out any syntax ...

原来的方式是从根节点，一般是html开始逐一向下进行元素定位，这种方式唯一缺点在于整个xpath语句会很长，比如： /html/body ...

Any one or more of these errors may exist in a program, and each will cause the program to crash or not run at all.