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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the first index of an array?
💡 Hint: Think about how counting starts in programming.
Question 2
Easy
Explain how you would print all elements in an array.
💡 Hint: Consider using numbers.length to define the loop's range.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary purpose of array traversal?
- To declare an array
- To access or process each element
- To sort an array
💡 Hint: Think about what we do with each element in the array.
Question 2
True or False: We can use a while loop to traverse an array.
- True
- False
💡 Hint: Consider other loop structures you have learned.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have an array of temperatures measured over a week. Write a program that calculates the average temperature from the array.
💡 Hint: Use your traversal skills to sum up the values correctly.
Question 2
Create a two-dimensional array representing a matrix. Write a program that prints the sum of each row.
💡 Hint: Remember to first iterate through the rows and then the columns.
Challenge and get performance evaluation