Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
4 cards from this section. Quick, good the night before a test.
What can the enhanced for-loop be used for?
Think of a scenario where you just want to read elements.
What does hasNext() do in an Iterator?
Recall the method’s purpose in the iteration process.
Which method allows you to avoid managing indices while iterating?
Consider which method is specifically designed to streamline coding.
True or False: You can use the remove() method with every iteration method.
Think about what happens when you try to modify a collection directly.
Write a program that uses an enhanced for-loop to print even numbers from an array of integers.
Think of how to structure your loop to include a condition for even numbers.
Demonstrate how to safely remove elements from an ArrayList while iterating using an Iterator.
Remember, `remove()` must be called on the iterator, not the list directly.
6 more questions in this section. Enroll free to practise them all.
Enroll free