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  1. import java.net.URI;
  2. import java.net.URISyntaxException;
  3.  
  4. class Ideone {
  5.  
  6.     public static void main(String[] args) {
  7.         String problemUrl = "http:///1.1.1.1:8001"; 
  8.  
  9.         try {
  10.             URI uriProblem = new URI(problemUrl); 
  11.             System.out.println("Three slash");
  12.             System.out.println("Host is: " + uriProblem.getHost());
  13.             System.out.println("Path is: " + uriProblem.getPath());
  14.  
  15.         } catch (URISyntaxException e) {
  16.             System.out.println("Caught Exception: " + e.getMessage());
  17.             System.out.println("Result: Fails validation.");
  18.         }
  19.  
  20.         System.out.println("\n----------------------------------\n");
  21.  
  22.         String correctUrl = "http://1.1.1.1:8001"; 
  23.  
  24.         try {
  25.             URI uriCorrect = new URI(correctUrl);
  26.  
  27.             System.out.println("Two slash");
  28.             System.out.println("Host is: " + uriCorrect.getHost());
  29.             System.out.println("Path is: " + uriCorrect.getPath());
  30.  
  31.         } catch (URISyntaxException e) {
  32.             System.out.println("Exception: " + e.getMessage());
  33.         }
  34.     }
  35. }
Success #stdin #stdout 0.14s 57648KB
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stdin
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Standard input is empty
stdout
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Three slash
Host is: null
Path is: /1.1.1.1:8001

----------------------------------

Two slash
Host is: 1.1.1.1
Path is:
https://ideone.com/EjXoLJ
language:
Java (HotSpot 12)
created:
242 days ago
visibility:
secret

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