/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.stream.Collectors;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String str = "lal";
		String res = str.chars()
				.mapToObj( c -> String.valueOf((char) (((int) c) + 4)) )
				.collect(Collectors.joining(""));
		System.out.println(res);
	}
}

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