Given the code fragment:

What is the result?

What is the result?

Which statement is true about the single abstract method of the java.util.function.Function interface?

Given the code fragment:
Stream<Path> files =
Files.walk(Paths.get(System.getProperty("user.home")));
files.forEach (fName -> {//line n1
try {
Path aPath = fName.toAbsolutePath();//line n2
System.out.println(fName + ":"
+ Files.readAttributes(aPath, Basic.File.Attributes.class).creationTime ());
} catch (IOException ex) {
ex.printStackTrace();
});
What is the result?

Given:

From what threading problem does the program suffer?