package my;
import java.io.File;
import java.io.IOException;
import java.net.URL;
public class MyUrlDemo {
public static void main(String[] args) {
MyUrlDemo muDemo = new MyUrlDemo();
try {
muDemo.showURL();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void showURL() throws IOException {
//The first: gets the root path of the class load & NBSP; D: git daotie daotie target classes
File f = new File(this.getClass().getResource("/").getPath());
System.out.println(f);
//Gets the project path of the current class; If you don't add the "/" & cake; Gets the load directory & NBSP; of the current class; D: git daotie daotie target classes my
File f2 = new File(this.getClass().getResource("").getPath());
System.out.println(f2);
//Second: getting the project path & NBSP; D: git daotie daotie
File directory = new File("");//Parameter is null
String courseFile = directory.getCanonicalPath();
System.out.println(courseFile);
//Third: & NBSP; File: / D: / git/daotie/daotie/target/classes /
URL xmlpath = this.getClass().getClassLoader().getResource("");
System.out.println(xmlpath);
//D:gitdaotiedaotie
System.out.println(System.getProperty("user.dir"));
//Fifth: & NBSP; Gets the path to all the classpaths, including the jars
System.out.println(System.getProperty("java.class.path"));
}
}