Author Question: Suppose an ArrayList list contains {"red", "red", "green"}. What is the list after the following ... (Read 123 times)

vicky · **on:** May 6, 2020

Question 1

Suppose an ArrayList list contains {"red", "red", "green"}. What is the list after the following code?

String element = "red";
for (int i = 0; i < list.size(); i++)

if (list.get(i).equals(element)) {

list.remove(element);

i--;

}

◦ {"green"}
◦ {"red", "green"}
◦ {}
◦ {"red", "red", "green"}

Question 2

Suppose an ArrayList list contains {"red", "red", "green"}. What is the list after the following code?

String element = "red";
for (int i = list.size() - 1; i >= 0; i--)

if (list.get(i).equals(element))

list.remove(element);

◦ {"red", "red", "green"}
◦ {}
◦ {"green"}
◦ {"red", "green"}

meryzewe · **Reply #1 on:** May 6, 2020

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