Given the code format:

Which code fragment must be inserted at line 6 to enable the code to compile?

Which two methods from the java.util.stream.Streaminterface perform a reduction operation?
(Choose two.)

Given:
class CheckClass {
public static int checkValue (String s1, String s2) {
return s1 length() - s2.length();
}
}
and the code fragment:
String[] strArray = new String [] {"Tiger", "Rat", "Cat", "Lion"}
/ /line n1
for (String s : strArray) {
System.out.print (s + " ");
}
Which code fragment should be inserted at line n1 to enable the code to print Rat Cat Lion Tiger?

Given the code fragments:

and

Which two modifications enable to sort the elements of the emps list? (Choose two.)

Given the code fragment:

What is the result?