Varios métodos de salida de ArrayList

¡Varios métodos de salida de ArrayList! ! !

 

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List; 
 
public  class ArrayList1 {
     public  static  void main (String args []) { 
        List <String> list = new ArrayList <String> (); 
        list.add ( "AAA" ); 
        list.add ( "BBB" );
        // 方法 1 
        Iterador it1 = list.iterator ();
        while (it1.hasNext ()) { 
            System.out.println (it1.next ()); 
        } 
        // 方法 2 
        para(Iterador it2 = list.iterator (); it2.hasNext ();) { 
            System.out.println (it2.next ()); 
        } 
        // 方法 3 
        para (String tmp: list) { 
            System.out.println (tmp); 
        } 
        // 方法 4 
        para ( int i = 0; i <list.size (); i ++ ) { 
            System.out.println (list.get (i)); 
        } 
    } 
}

 

 

 

Gire: https://blog.csdn.net/basycia/article/details/51862125