[Java daily question] 20170224, java20170133

[Java daily question] 20170224, java20170133

20170223 for problem resolution, click "Java daily question" 20170224 "below today's question to view the problem (The problem is resolved at the beginning of the public account, public ID: weknow619)

Package Feb2017; import java. util. arrayList; import java. util. list; public class Ques0224 {public static void main (String [] args) {List <Integer> list = new ArrayList <Integer> (); list. add (1); list. add (2); list. add (3); List <Integer> subList = list. subList (0, 2); list. add (4); // add an element System to the original list. out. println ("original list length:" + list. size (); System. out. println ("sub-list length:" + subList. size ());}}

Today's question:
What is the main program running result? (Click "[Java daily question] 20170224" below to view issue resolution 20170223)

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