java项目获取当前的path jar路径

String property = System.getProperty("java.class.path");

C:\Program Files\Java\jre1.8.0_144\lib\resources.jar;
C:\Program Files\Java\jre1.8.0_144\lib\rt.jar;
C:\Program Files\Java\jre1.8.0_144\lib\jsse.jar;
C:\Program Files\Java\jre1.8.0_144\lib\jce.jar;
C:\Program Files\Java\jre1.8.0_144\lib\charsets.jar;
C:\Program Files\Java\jre1.8.0_144\lib\jfr.jar;
D:\软件\安装包\apache-tomcat-9.0.1-windows-x64\apache-tomcat-9.0.1\bin\bootstrap.jar;
D:\软件\安装包\apache-tomcat-9.0.1-windows-x64\apache-tomcat-9.0.1\bin\tomcat-juli.jar

java中System.getProperty()的作用及使用