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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.io.*; 
  4. import java.util.*; 
  5. import java.io.*; 
  6. import java.util.*; 
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11.  
  12. 	public static void main(String args[])
  13. 	{ 
  14. 	    Scanner kbReader = new Scanner(System.in); 
  15. 	    System.out.print("Enter a sentence that is to be encrypted:"); 
  16. 	    String sntnc = kbReader.nextLine(); 
  17. 	    System.out.println("\nOriginal Sentence = " + sntnc); 
  18.  
  19. 	    Crypto myCryptObj = new Crypto(); 
  20. 	    String encryptdSntnc = myCryptObj.encrypt(sntnc); 
  21. 	    System.out.println("Encrypted sentence = " + encryptdSntnc); 
  22.  
  23. 	    String decryptdSntnc = myCryptObj.decrypt(encryptdSntnc); 
  24. 	    System.out.println("Decrypted sentence = " + decryptdSntnc); 
  25. 	 }
  26.  
  27. } 
  28.  
  29. class Crypto
  30. {
  31. 	public String x1; 
  32.  
  33. 	public String acceptor(String sntnc)
  34. 	{ 
  35. 	    String x1 = sntnc; 
  36. 	    return x1; 
  37. 	} 
  38.  
  39. 	public String encrypt(String sntnc)
  40. 	{ 
  41. 		x1 = sntnc;
  42.  
  43. 	    x1 = x1.replaceAll("[vV]", "1"); // 1
  44. 	    x1 = x1.replaceAll("[mM]", "2"); // 2
  45. 	    x1 = x1.replaceAll("[gG]", "3"); // 3
  46. 	    x1 = x1.replaceAll("[bB]", "4"); // 4
  47.  
  48. 	    x1 = x1.replaceAll("1", "ag',r");
  49. 	    x1 = x1.replaceAll("2", "ssad");
  50. 		x1 = x1.replaceAll("3", "jeb..w");
  51. 		x1 = x1.replaceAll("4", "dug>?/");
  52.  
  53.  
  54.  
  55. 	    return x1;
  56. 	} 
  57.  
  58. 	public String decrypt(String sntnc)
  59. 	{
  60. 		x1 = sntnc;
  61.  
  62. 		x1 = x1.replaceAll("dug\\>\\?/","4");
  63. 		x1 = x1.replaceAll("jeb\\.\\.w","3");
  64. 		x1 = x1.replaceAll("ssad","2");
  65. 	    x1 = x1.replaceAll("ag',r","1");
  66.  
  67. 	    x1 = x1.replaceAll("4","B");
  68. 		x1 = x1.replaceAll("3","G");
  69. 		x1 = x1.replaceAll("2","M");
  70. 	    x1 = x1.replaceAll("1","V");
  71.  
  72. 	    return x1;
  73. 	}
  74. }
  75.  
Success #stdin #stdout 0.09s 381632KB
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stdin
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This is a very big morning.
stdout
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Enter a sentence that is to be encrypted:
Original Sentence = This is a very big morning.
Encrypted sentence = This is a ag',rery dug>?/ijeb..w ssadorninjeb..w.
Decrypted sentence = This is a Very BiG MorninG.
https://ideone.com/aZcDYL
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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