| Return | Method | Summary |
|---|---|---|
| E | get(int index) | Returns the element at the specified position in this list. |
| E | set(int index, E element) | Replaces the element at the specified position in this list with the specified element (optional operation). |
import java.util.ArrayList;
import java.util.List;
public class Main {
public static void main(String[] args) {
List list = new ArrayList();
list.add("1");
list.add("2");
list.add("3");
list.add("java2s.com");
System.out.println(list);
System.out.println(list.get(3));
}
}
The output:
[1, 2, 3, java2s.com]
java2s.comReplace the third element in a list
import java.util.ArrayList;
import java.util.List;
public class Main {
public static void main(String[] args) {
List list = new ArrayList();
list.add("1");
list.add("2");
list.add("3");
list.add("java2s.com");
System.out.println(list);
list.set(2, "java 2s .com");
System.out.println(list);
}
}
The output:
[1, 2, 3, java2s.com]
[1, 2, java 2s .com, java2s.com]| java2s.com | Contact Us | Privacy Policy |
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