现有:importjava.util.*;classAddStuff2{publicstaticvoidmain(String[]args){TreeSett=newTreeS

题目

现有:importjava.util.*;classAddStuff2{publicstaticvoidmain(String[]args){TreeSett=newTreeSet();if(t.add("one"))if(t.add("two"))if(t.add("three"))add("four");for(Strings:t)System.out.print(s);}}结果为:()

A.one

B.onethreetwo

C.onetwothree

D.onetwothreefour

E.fouronethreetwo

F.编译失败

参考答案和解析
参考答案:E
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