LeetCode-in-Java
2667. Create Hello World Function
Easy
Write a function createHelloWorld. It should return a new function that always returns "Hello World".
Example 1:
Input: args = []
Output: “Hello World”
Explanation:
const f = createHelloWorld();
f(); // "Hello World"
The function returned by createHelloWorld should always return “Hello World”.
Example 2:
Input: args = [{},null,42]
Output: “Hello World”
Explanation:
const f = createHelloWorld();
f({}, null, 42); // "Hello World"
Any arguments could be passed to the function but it should still always return “Hello World”.
Constraints:
0 <= args.length <= 10
Solution
const createHelloWorld = () => () => "Hello World";
/*
* const f = createHelloWorld();
* f(); // "Hello World"
*/
export { createHelloWorld }