單項(xiàng)選擇題

Given：

Which code fragment， inserted at the end of line 12， produces the output p is 420？（）

A.p.setWeight（420）；
B.p.changePayload（420）；
C.p = new Payload（420）；
D.Payload.setWeight（420）；
E.p = Payload.setWeight（420）；

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單項(xiàng)選擇題

Given：

When line 15 is reached， how many objects are eligible for the garbage collector？（）

A.0
B.1
C.2
D.3
E.4

單項(xiàng)選擇題

Given：

Which statement is true about the objects referenced by snoog， snooch， and booch immediately after line23 executes？（）

A.None of these objects are eligible for garbage collection.
B.Only the object referenced by booch is eligible for garbage collection.
C.Only the object referenced by snoog is eligible for garbage collection.
D.Only the object referenced by snooch is eligible for garbage collection.
E.The objects referenced by snooch and booch are eligible for garbage collection.

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Given： Which code fragment， inserted at the end of line 12， produces the output p is 420？（）

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Given： When line 15 is reached， how many objects are eligible for the garbage collector？（）

Given： Which statement is true about the objects referenced by snoog， snooch， and booch immediately after line23 executes？（）

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Given：

Which code fragment， inserted at the end of line 12， produces the output p is 420？（）

Given：

When line 15 is reached， how many objects are eligible for the garbage collector？（）

Given：

Which statement is true about the objects referenced by snoog， snooch， and booch immediately after line23 executes？（）