/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.net.URI;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
var uri = new URI("https://123/v1/a/b/");
 
String authority = uri.getAuthority(); // returns 123 
System.out.println(authority);
 
String path = uri.getPath(); // returns /v1/a/b/
String pathTrimmed = path.replaceAll("^/", "").replaceAll("/$", "");  // trim leading and trailing slashes: v1/a/b
String[] segments = pathTrimmed.split("/");
 
if (segments.length < 1) return;
System.out.println(segments[0].replaceAll("^v", ""));  // version truncated to number: 1
for (int i=1; i < segments.length; i++) {
  System.out.println(segments[i]);  // remaining segments: a, b, ..
}
 
 
	}
}

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