Practice Looping Statements (3.4) - Chapter 3: Control Flow Statements

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9 questions

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6 sample questions

Question 1.
What will be the output of the following code? 'for (int i = 1; i <= 3; i++) { System.out.println(i); }'
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Look at how many times the loop runs.
Question 2.
In a 'while' loop, where is the condition checked?
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Think about when the loop starts and stops.
3Question 3.
What type of loop would you use when you know the number of iterations?
- while loop
- for loop
- do-while loop
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Remember the structure of the for loop.
4Question 4.
A 'do-while' loop runs at least how many times?
- Once
- Twice
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Consider the order of execution in this loop type.
Question 5.
Using a for loop, write a program that calculates the sum of integers from 1 to 100.
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Consider how you can keep adding numbers to a total.
Question 6.
Create a program with a while loop that repeatedly prompts a user to enter their age until they enter a non-negative number.
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Use a condition that allows exit from the loop for valid input.

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