sultaaann/stage1-module5-task1

Tasks

1. Create Predicate

Implement the program which return Predicate<List<String>>. Predicate should check all values of the list and return true if all of them start with letter in upper case only.

public Predicate<List<String>> isValuesStartWithUpperCase() { return x -> {};}

2. Create Consumer

Implement the program which return Consumer<List<Integer>>. Consumer should find all even values and add them to the end of list.

public Consumer<List<Integer>> addEvenValuesAtTheEnd() {return x -> {};}

Example

Input

[48, 13, 100, 5, 222, 3]

Output

[48, 13, 100, 5, 222, 3, 48, 100, 222]

3. Create Supplier

Implement the program which have a method with one argument List<String> and return Supplier<List<String>>. Supplier should filter out collection according rules below.

• String must start with the letter in upper case;
• String must end with '.';
• String must contain more than 3 words;

public Supplier<List<String>> filterCollection(List<String> values) {return () -> {return values...};}

Example

• "This is a good way to learn Java Functional Interfaces." - correct string.
• "this is a good way to learn Java Functional Interfaces." - incorrect string.

Input

["hello world in Java.", "MJC is a great school."]

Output

["MJC is a great school."]

4. Create Function

Implement the program which return Function<List<String>, Map<String, Integer>>. Function should create a map where key is a value of the list and the value is size of the key.

public Function<List<String>, Map<String, Integer>> stringSize() {return x -> {return ...};}

Example

Input

["Hello", "MJC"]

Output

[{Hello, 5}. {MJC, 3}]

5. Create Bi-Function

Implement the program which return BiFunction<List<Integer>, List<Integer>, List<Integer>>. Function should return new List which store values from first and second lists.

public BiFunction<List<Integer>, List<Integer>, List<Integer>> concatList() { return (list1, list2) -> {return new ArrayList()...}

Example

Input

Array 1 - [2, 4, 5, 10]

Array 2 - [3, 1, 10, 5]

Output

[2, 4, 5, 10, 3, 1, 10, 5]