用java语言编写的一个程序实现源代码的代码统计功能，内容分为4个方面，分别是：1.物理行：代码的总行数（包括代码行，注释行，空行） 2.代码行：编写的代码 3.注释行：指单行注释和多行注释 4.空行：指源代码的空行-Using a program written in java source code to achieve statistical functions, is divided into 4 areas, namely: 1. Physical line: total number of lines of code (including code lines, comment lines, blank lines)　2. Code line: the preparation of the code　3. comment line: refers to the single-line and multi-line comments　4. blank line: refers to the blank lines of source code