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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) {
  11. 		String n = "hello\nworld\nhow\nare\nyou?";
  12. 		String r = "hello\rworld\rhow\rare\ryou?";
  13. 		String rn = "hello\r\nworld\r\nhow\r\nare\r\nyou?";
  14. 		System.out.println(substring(n, 0, 2));
  15. 		System.out.println(substring(r, 0, 2));
  16. 		System.out.println(substring(rn, 0, 2));
  17. 		System.out.println(substring(n, 1, 3));
  18. 		System.out.println(substring(r, 1, 3));
  19. 		System.out.println(substring(rn, 1, 3));
  20. 		System.out.println(substring(n, 3, 0));
  21. 		System.out.println(substring(r, 3, 0));
  22. 		System.out.println(substring(rn, 3, 0));
  23. 	}
  24.  
  25. 	public static String substring(String text, int line, int character) {
  26. 		int pos = 0;
  27. 		char sep = 0;
  28. 		while (line > 0) {
  29. 			char c = text.charAt(pos++);
  30. 			if (c == '\n' || c == '\r') {
  31. 				if (sep == 0)
  32. 					sep = c;
  33. 				if (c == sep)
  34. 					line--;
  35. 			}
  36. 		}
  37. 		char c = text.charAt(pos);
  38. 		if (c != sep && (c == '\n' || c == '\r'))
  39. 			pos++;
  40. 		return text.substring(0, pos + character);
  41. 	}
  42.  
  43. }
Success #stdin #stdout 0.07s 52644KB
comments (?)
stdin 
Standard input is empty
stdout 
he
he
he
hello
wor
hello
wor
hello
wor
hello
world
how

hello
world
how
hello
world
how
https://ideone.com/AWLBuD
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
secret

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