1.importjava.util.*;2.publicclassExample{3.publicstaticvoidmain(String[]args){4.//insertcodehere5.set.add(newinteger(2));6.set.add(newinteger(l));7.System.out.println(set);8.}9.}Whichcode,insertedatline4,guaranteesthatthisprogramwilloutput[1,2]?()
A.Setset=newTreeSet();
B.Setset=newHashSet();
C.Setset=newSortedSet();
D.Listset=newSortedList();
E.Setset=newLinkedHashSet();
- · 有4位网友选择 B,占比36.36%
- · 有3位网友选择 A,占比27.27%
- · 有2位网友选择 D,占比18.18%
- · 有2位网友选择 C,占比18.18%