单选题Given: What is the result?（）A testB nullC An exception is thrown at runtime.D Compilation fails because of an error in line 1.E Compilation fails because of an error in line 4.F Compilation fails because of an error in line 5.
单选题
Given: What is the result?（）
A
test
B
null
C
An exception is thrown at runtime.
D
Compilation fails because of an error in line 1.
E
Compilation fails because of an error in line 4.
F
Compilation fails because of an error in line 5.
参考解析
解析：
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