Reverse a list
static void reverse(List<?> list)
- Reverses the order of the elements in the specified list.
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
public class Main {
public static void main(String args[]) {
List<Character> ll = new LinkedList<Character>();
for (char n = 'A'; n <= 'F'; n++)
ll.add(n);
System.out.println("Here is the original list: ");
for (Character x : ll)
System.out.print(x + " ");
Collections.reverse(ll);
System.out.println("Here is the reversed list: ");
for (Character x : ll)
System.out.print(x + " ");
}
}
The output:
Here is the original list:
A B C D E F Here is the reversed list:
F E D C B A
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Collections:
- Collections
- Get empty collection from Collections
- Do binary search
- Copy value to a List
- Get Enumeration from collection, create list from Enumeration
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- Replace value in a list
- Reverse a list
- Get comparator in reverse order
- Rotate and shuffle a list
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- Return an unmodifiable view of collections