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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		String example = "  sl  local_address rem_address   st tx_queue rx_queue tr tm->when retrnsmt   uid  timeout inode\n" +
  13.     		"   0: 00000000:04D2 00000000:0000 0A 00000000:00000000 00:00000000 00000000     0        0 15662 1 ffff8800baf1c780 100 0 0 10 0\n" +
  14. 			"   1: 00000000:04D2 00000000:0000 0A 00000000:00000000 00:00000000 00000000     0        0 15662 1 ffff8800baf1c780 100 0 0 10 0";
  15.  
  16. 		Scanner scanner = new Scanner(example);
  17. 		scanner.useRadix(16).useDelimiter("[\\s:]+");
  18. 		Set<Integer> result = new HashSet<>();
  19. 		scanner.next();
  20.  
  21. 		if (scanner.hasNextLine()) {
  22. 			// Skip the headers
  23. 			scanner.nextLine();
  24. 		}
  25. 		// Process records
  26. 		while (scanner.hasNextLine()) {
  27. 			// The first int
  28.     		if (scanner.hasNextInt()) {
  29. 	    		int slot = scanner.nextInt();
  30. 			    System.out.println(slot);
  31.  
  32. 			    // Read anything else you want from that line, until
  33. 			    // you have only the newline left (or any trailing characters
  34. 			    // you don't want to process and then the newline)
  35.     		}
  36.  
  37.     		// Clear the newline
  38.     		scanner.nextLine();
  39. 		}
  40.  
  41. 		System.out.println("Done");
  42. 	}
  43. }
Success #stdin #stdout 0.06s 711680KB
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Done
https://ideone.com/amMc7G
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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