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- 多项选择题Which statements concerning the value of a member variable are true， when no explicit assignments have been made？（）
A、The value of an int is undetermined.
B、The value of all numeric types is zero.
C、The compiler may issue an error if the variable is used before it is initialized.
D、The value of a String variable is "" （empty string）.
E、The value of all object variables is null.
- B,E
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