Java 8 Features - General Questions

What is the output of the following program?

import java.util.*;
public class Main {
    public static void main(String[] args) {
        List<String> names = List.of("ravi", "asha", "kumar");
        System.out.println(names.stream().map(String::toUpperCase).sorted().toList());
    }
}

Which java.time class represents a date without time or time zone?

What is the output of the following program?

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Optional<String> o = Optional.empty();
        System.out.println(o.orElse("none"));
    }
}

What is the output of the following program?

import java.util.*;
public class Main {
    public static void main(String[] args) {
        List<Integer> nums = List.of(1, 2, 3, 4, 5);
        System.out.println(nums.stream().filter(n -> n % 2 == 1).mapToInt(n -> n).sum());
    }
}

What is the output of the following program?

import java.util.*;
public class Main {
    public static void main(String[] args) {
        List<String> w = List.of("apple", "avocado", "banana");
        System.out.println(w.stream().anyMatch(s -> s.startsWith("b")) + " " + w.stream().allMatch(s -> s.startsWith("a")));
    }
}