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publicclassTestString3{publicstaticvoidmain(String[]args){//insertcodehereSystem.out.println(s);}}Whichtwocodefragments,insertedindependentlyatline3,generatetheoutput4247?()
A.Strings=“123456789”;s=(s-”123”).replace(1,3,”24”)-“89”;
B.StringBuffers=newStringBuffer(”123456789”);s.delete(0,3).replace(1,3,“24”).delete(4,6);
C.StringBuffers=newStringBuffer(”123456789”);s.substring(3,6).delete(1,3).insert(1,“24”);
D.StringBuilders=newStringBuilder(”123456789”);s.substring(3,6).delete(1,2).insert(1,“24”);
E.StringBuilders=newStringBuilder(”123456789”);s.delete(0,3).delete(1,3).delete(2,5).insert(1,“24”);
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更多 “ publicclassTestString3{publicstaticvoidmain(String[]args){//insertcodehereSystem.out.println(s);}}Whichtwocodefragments,insertedindependentlyatline3,generatetheoutput4247?() A.Strings=“123456789”;s=(s-”123”).replace(1,3,”24”)-“89”;B.StringBuffers=newStringBuffer(”123456789”);s.delete(0,3).replace(1,3,“24”).delete(4,6);C.StringBuffers=newStringBuffer(”123456789”);s.substring(3,6).delete(1,3).insert(1,“24”);D.StringBuilders=newStringBuilder(”123456789”);s.substring(3,6).delete(1,2).insert(1,“24”);E.StringBuilders=newStringBuilder(”123456789”);s.delete(0,3).delete(1,3).delete(2,5).insert(1,“24”); ” 相关考题
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Given:Whichtwocodefragments,insertedindependentlyatline3,generatetheoutput4247?()
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