单项选择题

Given:

What is the result?（）

A.1
B.2
C.12
D.Compilation fails.
E.No output is produced.
F.An exception is thrown at runtime.

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多项选择题

Given: and the command line: java -Dprop.custom=gobstopper Commander Which two, placed on line 13, will produce the output gobstopper?（）

A.System.load("prop.custom");
B.System.getenv("prop.custom");
C.System.property("prop.custom");
D.System.getProperty("prop.custom");
E.System.getProperties().getProperty("prop.custom");

单项选择题

Given: What is the result?（）

A.s14
B.s16
C.s10
D.Compilation fails.
E.An exception is thrown at runtime.