皮皮学，免费搜题
登录
搜题
【单选题】
ArrayList的初始化内容如下： ArrayList list=new ArrayList(); list.add("java"); list.add("aaa"); list.add("java"); list.add("bbb"); 下列可以删除list中所有的“Java”的代码是A.
for(int i=list.size()-1;i>=0;i--){ if("java".equals(list.get(i))) list.remove(i);}
B.
for(int i=1;i
C.
list.remove("java");
D.
list.removeAll("java");
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】The meaning of the underlined word 'anonymity' (Para. 3) is closest to ______.
A.
being unknown
B.
being famous
C.
collective wisdom
D.
industriousness
【单选题】Using newly obtained petroleum industry data, scientists have identified a previously unknown earthquake fault that lies under the heart of densely populated Los Angeles, California. Details were publ...
A.
it caused a severe local earthquake in the past.
B.
it pushes older rocks on the top of younger rocks.
C.
it has three segments and covers a relatively large area.
D.
it was hidden beneath California's largest city.
【简答题】have been in London for two weeks. I don't speak English well at all. I have great difficulty in understanding people. In fact I don't catch a thing they say. I find their pronunciation is __21__ stra...
【单选题】国际电工委员会(IEC)将电流信号（ ）和电压信号（ ）确定为过程控制系统中模拟信号的统一标准。
A.
0~20mA(DC);0~5V(DC)
B.
4~20mA(DC);0~5V(DC)
C.
4~20mA(DC);1~5V(DC)
D.
0~20mA(DC);0~10V(DC)
【单选题】Emily Dickinson was a nineteenth-century American woman who lived her life completely unknown to anyone except her family and a few friends. Less than a dozen of her poems were published during her li...
A.
Sappho.
B.
Emily Dickinson.
C.
Both Sappho and Emily Dickinson.
D.
Not mentioned in the passage.
【简答题】Four individuals have responded to request by a blood band for blood do- nations. None of them has donated before, so their blood types are unkn- own. Suppose only type A+ is desired and only one of f...
【单选题】_____ help the people in the snowstorm in the south made him worried. [ ]
A.
Not known how to
B.
Unknown what to do to
C.
His knowing not how to
D.
His not knowing how to
相关题目：
参考解析：
知识点：
题目纠错 0
发布
