java持有对象collection

java添加元素//Collection Collections Arrays

 

package collection.test;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
//Collection Collections Arrays
public class SimpleCollection {
    public static void main(String[] args) {
        Collection<Integer> collection = new ArrayList<Integer>(Arrays.asList(
                1, 2, 3, 4, 5));
        Integer[] moreIntrger = { 6, 7, 8, 9, 10 };
        collection.addAll(Arrays.asList(moreIntrger));
        Collections.addAll(collection, 11, 12);
        for (Iterator iterator = collection.iterator(); iterator.hasNext();) {
            System.out.println(iterator.next());
        }

    }
}