Question: 15. What is string concatenation? (2 marks) 16. Convert the following code segment into an equivalent while loop (2 marks) for (int i = 0;

15. What is string concatenation? (2 marks) 16. Convert the following

15. What is string concatenation? (2 marks) 16. Convert the following code segment into an equivalent while loop (2 marks) for (int i = 0; i

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