Add and set difference method for Java learning list

/** * is collected in many ways in list. The Add (int index,object obj) method is not easily distinguishable from the set (int index,object e) method *. Through the following instances. Can see the difference between the two methods */package gao;import java.util.iterator;import Java.util.linkedlist;import Java.util.list;public class Collectiondemo {public    static void main (string []args) {    string a= "a", b= "B", c= "C", d= "D", e= "E";    List<string>list=new linkedlist<string> ();    List.add (a);    List.add (e);    List.add (d);    Iterator<string>first=list.iterator ();    SYSTEM.OUT.PRINTLN ("The element in the collection before the change is:");    while (First.hasnext ()) {    System.out.print (First.next () + "");    }    List.set (1, b);    List.add (2,c);    Iterator second=list.iterator ();    SYSTEM.OUT.PRINTLN ("The element after the change of the collection is:");    while (Second.hasnext ()) {    System.out.print (Second.next () + "");}}}    

watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvz3vhbmp1bmdhbw==/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/gravity/southeast ">

Copyright notice: This article blog original articles, blogs, without consent, may not be reproduced.

Add and set difference method for Java learning list