/* package whatever; // don't place package name! */
import java.util.*;
import java.util.stream.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
System.
out.
println(Stream.
of("0",
" ").
filter(s
-> s
!= null && !s.
chars().
allMatch(Character::isWhitespace
)).
collect(Collectors.
joining("."))); }
}
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