Drill 1: List the steps — Collections and generics

List the steps the code follows in order.

Beginner 5 min read Lesson 17 of 300 Challenge included

What you will be able to do

List the steps the code follows in order.

Practice task

List the steps the code follows in order.

Collections.javaJava

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

List<String> lessons = new ArrayList<>();
lessons.add("HTML");
lessons.add("CSS");

Map<String, Integer> minutes = Map.of(
    "HTML", 8,
    "CSS", 12
);

for (String lesson : lessons) {
    System.out.println(lesson + ": " + minutes.get(lesson));
}

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List the steps the code follows in order.

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Next: Drill 1: Predict the output — Exceptions without confusion

Lesson 17 of 300 · 0% of course