遍历集合List

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 *遍历集合List
 * @author 够潮
 *
 */
public class Demo35 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
	
		List list = new ArrayList();
		list.add("gouchao");
		list.add("gouli");
		//下标
		for(int i = 0 ; i< list.size();i++){
			
			System.out.println(list.get(i));
		}
		//for- each
		for(Object o:list){
			System.out.println(o);
		}
		//迭代器
		Iterator it = list.iterator();
		while(it.hasNext()){
			System.out.println(it.next());
		}
		//Object数组 
		Object o[];
		o = list.toArray();
		for(int i =  0 ; i <o.length;i++){
			System.out.println(o[i]);
		}
		//toString
		System.out.println(list.toString());

	}

}