|
| |
| 9. 17. 8. 转换成数组 |
|
|
|
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class Main {
public static void main(String[] args) {
Set<Object> set = new HashSet<Object>();
set.add("A");
set.add(new Long(10));
set.add(new Date());
List<Object> list = new ArrayList<Object>(set);
Object[] objects = list.toArray();
for (int i = 0; i < objects.length; i++) {
Object object = objects[i];
System.out.println("Object = " + object);
}
}
}
|
|
|