5. Repeated execution

Question 1

Where should we write comments?

Answer 1

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Question 2

Why is writing comments a good idea?

Answer 2

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Question 3

What does it mean if args.length is zero?

Answer 3

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Question 4

What is the benefit of being able to use a variable as a list index?

Answer 4

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Question 5

What is the difference between Java and pseudo code?

Answer 5

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Question 6

What does iteration mean?

Answer 6

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Question 7

What is the value of Math.pow(10 , 2). Is it 100 or 1024?

Answer 7

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Question 8

What is the value of Math.abs(-2.7)?

Answer 8

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Question 9

What type does the value of Math.PI have?

Answer 9

ss

Question 10

What is the effect of x = x * 10;?

Answer 10

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Question 11

What is the shorthand way of writing each of the following?
x = x + 1;
x = x - 1;
x = x + y;
x = x - y;
x = x * y;
x = x / y;

Answer 11

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Question 12

What is the similarity between the while loop and the if statement?

Answer 12

ss

Question 13

What are the four parts of a for loop? When should a for loop be used instead of a while loop?

Answer 13

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