Practice Nested Loops (3.6) - Chapter 3: Control Flow Statements

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9 questions

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6 sample questions

Question 1.
What is a nested loop?
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Think about loops you already know.
Question 2.
Write a simple nested loop that prints the numbers 1-3 in a column format.
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You can print the inner loop values in each iteration of the outer loop.
3Question 3.
What is the main function of a nested loop?
- To store data
- To iterate multiple levels
- To conditionally run code
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Think about what a loop does.
4Question 4.
True or False: The inner loop executes after the outer loop has completed.
- True
- False
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Remember the order of execution.
Question 5.
Write a Java method that uses nested loops to create a multiplication table for numbers 1-5, stored in a 2D array. The method should also print out the table.
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Think about how each element relates to its row and column.
Question 6.
Create a program to generate a checkerboard pattern using nested loops, representing black and white squares alternately. Each square can be a '#' and ' ' character.
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You need to think about how to toggle colors.

5 more questions in this section. Enroll free to practise them all.