Practice - Nested Loops
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Practice Questions
Test your understanding with targeted questions
What is a nested loop?
💡 Hint: Think of real-life examples where one event happens within another.
How many times does this statement execute: 'System.out.println("Hello")' in the following code?
💡 Hint: Count the number of times the inner loop runs.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of a nested loop?
💡 Hint: Consider where you would use multiple loops.
A nested loop always has at least two levels.
💡 Hint: Think of the definition of nested loops.
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Challenge Problems
Push your limits with advanced challenges
Write a program that creates a 5x5 grid of numbers where each cell contains the respective row and column numbers. For instance, the 2nd row and 3rd column should output 'R2C3'.
💡 Hint: Remember to format output to show both row and column.
Consider a 10x10 grid. Optimize the nested loops to minimize time complexity while ensuring correct output for each cell. Discuss potential improvements.
💡 Hint: Think about where you could eliminate unnecessary work.
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