스트림

ex.java

package org.example;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;

import java.util.*;

public class Refactoring {
    public static void main(String[] args) {
        WebDriver driver = new ChromeDriver();
        driver.get("https://www.wanted.co.kr/");
        List<WebElement> elements = driver.findElements(By.xpath("//ul[@class='Menu_className__gGcYQ']//li"));
        
        afterImprovement(elements);

        driver.quit();
    }

    private static void afterImprovement(List<WebElement> elements)
    {
        elements.stream()
                .map(WebElement::getText)
                .distinct()
                .filter(s -> s.length() > 0)
                .forEach(System.out::println);
    }