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【多项选择题】

Whichtwo scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object?()

A、A.When using versions of Java technology earlier than 5.0.

B、B.When sharing a StringBuffer among multiple threads.

C、C.When using the java.io class StringBufferInputStream.

D、D.When you plan to reuse the StringBuffer to build more than one string.

E、E.Enitiation of separate design processes to the separation of users

更多“Whichtwo scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object?()”相关的问题
第2题

A、The first 23 bits of the multicast MAC address are 0x01-00-5E. This is a reserved value thatindicates a multicast application  B、The last 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast application  C、To calculate the Layer 2 multicast address, the host maps the last 23 bits of the IP address intothe last 24 bits of the MAC address. The high-order bit is set to 0  D、The first 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast application  

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第3题

A、Multicast on  B、Aggressive Load Balancing off  C、Multicast off  D、AP Fallback on  E、Aggressive Load Balancing on  

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