Fill a list
static<T> void fill(List<? super T> list, T obj)
- Replaces all of the elements of the specified list with the specified element.
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class Main {
public static void main(String[] args) {
List<String> list = new ArrayList<String>();
for (int i = 0; i < 10; i++){
list.add("j a v a2s.com");
}
System.out.println(list);
Collections.fill(list, "java2s.com");
System.out.println(list);
}
}
The output:
[j a v a2s.com, j a v a2s.com, j a v a2s.com, j a v a2s.com, j a v a2s.com, j a v a2s.com, j a v a2s.com, j a v a2s.com, j a v a2s.com, j a v a2s.com]
[java2s.com, java2s.com, java2s.com, java2s.com, java2s.com, java2s.com, java2s.com, java2s.com, java2s.com, java2s.com]
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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
- Fill a list
- Get the max and min value from a Collection
- Fill n Copy object to a list
- Replace value in a list
- Reverse a list
- Get comparator in reverse order
- Rotate and shuffle a list
- Create singleton
- Sort a list
- Swap element in a list
- Get a synchronized collection
- Return an unmodifiable view of collections