Question

You have an ArrayList called idList that adds a unique user id whenever someone signs up for your website.

Which of these choices will print all of the indexes and the unique user id with a space in between them starting at the first index?



for (int i = 1; i < idList.size(); i++) {
System.out.println(i - 1 + " " + idList.get(i));
}


B and C

for (String uuid : idList) {
System.out.println(uuid);
}



for (int i = 0; i < idList.size() - 1; i++) {
System.out.println(i + " " + idList[i]);
}



for (int i = 0; i < idList.size(); i++) {
System.out.println(i + " " + idList.get(i));
}


unanswered

Answer 1

Answer:

Explanation:

for (int i = 0; i < idList.size() - 1; i++) {

System.out.println(i + " " + idList[i]);

}