Exam 1z0-809 topic 1 question 119 discussion

answer is D. tested. compiler error is "lambda parameter is expected of type Object"

D is the correct answer

Answer is D since Predicate is not parametrized and expects Object as input.

D is correct, Predicate<T> need a type parameter.

Predicate is not parameterized so it is using raw type. Compilation error at line n2. Answer is D

answer is D

Predicate<String> test2 = (String str) -> str.length() > 3; // line n2

The answer is C

D, tested

Answer is D public class Test { public static void main (String[] args) throws InterruptedException { List<String> words = Arrays.asList("win", "try", "best", "luck", "do"); Predicate<String> test1 = w -> { System.out.println("Checking..."); return w.equals("do"); }; Predicate test2 = (String w) -> w.length() > 3; words.stream() .filter(test2) .filter(test1) .count(); } }

D,tested

answer is D

The correct answer is C the instructionPredicate<String> test1=w->{System.out.println(""); is ok