ArrayList list = new ArrayList(); for (int i = 1; i <= 10; i++) { list.add(10 * i); } for (int i = 0; i < list.size(); i++) { list.remove(i); }
ArrayList list = new ArrayList(); for (int i = 1; i <= 10; i++) { list.add(10 * i); } for (int i = 0; i < list.size(); i++) { list.remove(i); }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Java
Copy the following code to a java file and explain in the comment what is the output and why.
1- ArrayList list = new ArrayList();
for (int i = 1; i <= 10; i++) {
list.add(10 * i);
}
for (int i = 0; i < list.size(); i++) {
list.remove(i);
}
System.out.println(list); // what is the expected output?
2- ArrayList list = new ArrayList();
for (int i = 1; i <= 10; i++) {
list.add(10 * i);
}
int size = list.size();
for (int i = 0; i < size; i++) {
list.add(i, 42);
}
System.out.println(list); // what is the expected output?
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