/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
String alphabet
= "abcdefghijklmnopqrstuvwxyza";
for (int i = 0; i < str.length(); i++) {
if (alphabet.indexOf(str.charAt(i)) != -1) {
newstr += alphabet.charAt(alphabet.indexOf(str.charAt(i)) + 1);
} else {
newstr += str.charAt(i);
}
}
}
}
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