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【多项选择题】

Which&#8194;are&#8194;syntactically&#8194;valid&#8194;statement&#8194;at//&#8194;point&#8194;x?()&#8194;&#8194;&#8194;&#8194;<br /> class&#8194;Person&#8194;{&#8194;&#8194;&#8194;&#8194;<br /> private&#8194;int&#8194;a;&#8194;<br /> public&#8194;int&#8194;change(int&#8194;m){<br /> &#8194;return&#8194;m;&#8194;<br /> }&#8194;&#8194;&#8194;&#8194;<br /> }&#8194;<br /> public&#8194;class&#8194;Teacher&#8194;extends&#8194;Person&#8194;{&#8194;&#8194;&#8194;&#8194;<br /> public&#8194;int&#8194;b;&#8194;<br /> public&#8194;static&#8194;void&#8194;main(String&#8194;arg[]){&#8194;&#8194;&#8194;&#8194;<br /> Person&#8194;p&#8194;=&#8194;new&#8194;Person();&#8194;&#8194;&#8194;&#8194;<br /> Teacher&#8194;t&#8194;=&#8194;new&#8194;Teacher();&#8194;&#8194;&#8194;<br /> int&#8194;i;&#8194;<br /> //&#8194;point&#8194;x&#8194;&#8194;&#8194;&#8194;<br /> }&#8194;&#8194;&#8194;<br /> }&#8194;<p> Which&#8194;are&#8194;syntactically&#8194;valid&#8194;statement&#8194;at//&#8194;point&#8194;x?()&#8194;&#8

A、A. i = m;

B、B. i = b;

C、C. i = p.a;

D、D. i = p.change(30);

E、E. i = t.b.

更多“Which&#8194;are&#8194;syntactically&#8194;valid&#8194;statement&#8194;at//&#8194;point&#8194;x?()&#8194;&#8194;&#8194;&#8194;<br /> class&#8194;Person&#8194;{&#8194;&#8194;&#8194;&#8194;<br /> private&#8194;int&#8194;a;&#8194;<br /> public&#8194;int&#8194;change(int&#8194;m){<br /> &#8194;return&#8194;m;&#8194;<br /> }&#8194;&#8194;&#8194;&#8194;<br /> }&#8194;<br /> public&#8194;class&#8194;Teacher&#8194;extends&#8194;Person&#8194;{&#8194;&#8194;&#8194;&#8194;<br /> public&#8194;int&#8194;b;&#8194;<br /> public&#8194;static&#8194;void&#8194;main(String&#8194;arg[]){&#8194;&#8194;&#8194;&#8194;<br /> Person&#8194;p&#8194;=&#8194;new&#8194;Person();&#8194;&#8194;&#8194;&#8194;<br /> Teacher&#8194;t&#8194;=&#8194;new&#8194;Teacher();&#8194;&#8194;&#8194;<br /> int&#8194;i;&#8194;<br /> //&#8194;point&#8194;x&#8194;&#8194;&#8194;&#8194;<br /> }&#8194;&#8194;&#8194;<br /> }&#8194;<p> Which&#8194;are&#8194;syntactically&#8194;valid&#8194;statement&#8194;at//&#8194;point&#8194;x?()&#8194;&#8”相关的问题
第5题

A、 supports Layer 2 VLANs  B、 segment LANs  C、 are faster because forwarding decisions are made on hardware  D、 typically have fewer ports because forwarding decisions are made in software  E、 flood frames out all ports  

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