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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. 		int shift = 11;
  13.  
  14. 		String data = "I can read this IP 192.168.0.1";
  15. 		System.out.println("Data    : " + data);
  16.  
  17. 		// cipher the data.
  18. 		char[] chars = data.toCharArray();
  19. 		for (int i = 0; i < chars.length; ++i) {
  20. 			chars[i] = (char) (chars[i] + shift);
  21. 		}
  22.  
  23. 		String cipher = new String(chars);
  24. 		System.out.println("Cipher  : " + cipher);
  25.  
  26. 		// decipher the data.
  27. 		chars = cipher.toCharArray();
  28. 		for (int i = 0; i < chars.length; ++i) {
  29.                         chars[i] = (char) (chars[i] - shift);
  30.                 }
  31.  
  32. 		String decipher = new String(chars);
  33.                 System.out.println("Decipher: " + decipher);
  34. 	}
  35. }
Success #stdin #stdout 0.04s 711168KB
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stdin
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Standard input is empty
stdout
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Data    : I can read this IP 192.168.0.1
Cipher  : T+nly+}plo+st~+T[+<D=9<AC9;9<
Decipher: I can read this IP 192.168.0.1
https://ideone.com/FwpggH
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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