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下面的程序段执行后,输出的结果是以下哪个选项( )。StringBuffer buf=new StringBuffer("Beijing2008");buf.insert(7,"@");System.out.println(buf.toString());
A、Beijing@2008
B、@Beijing2008
C、Beijing2008@
D、Beijing#2008
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更多 “ 下面的程序段执行后,输出的结果是以下哪个选项( )。StringBuffer buf=new StringBuffer("Beijing2008");buf.insert(7,"@");System.out.println(buf.toString()); A、Beijing@2008B、@Beijing2008C、Beijing2008@D、Beijing#2008 ” 相关考题
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