Java Programming

Q)..String encrption. replace the odd-index character with next character(if it is 'z' replace with 'a'..if 'a' with 'b' as such),

leave the even index as such. return the encrypted string.

1.  
2. package Set1;
3. public class ClassSet37 {
4. public static void main(String[] args) {
5.       String s="preethi";
6.       System.out.println(oddEncryptionOfString(s));
7.       }
8. public static String oddEncryptionOfString(String s) {
9.       StringBuffer sb=new StringBuffer();
10.       for(int i=0;i<s.length();i++){
11.             char c=s.charAt(i);
12.             if(c%2!=0){
13.                   c=(char)(c+1);
14.                   sb.append(c);  }
15.             else
16.                   sb.append(c);   }
17.       return sb.toString();
18. }
19. }