Given: <img src="/Image1/cf/cff0795726315b26fa7e7bdebd9d3f26.jpg" /> Which code, inserted at line 16, will cause a java.lang.ClassCastException?（）<br>A:Alpha a = x;<br>B:Foo f = (Delta)x;<br>C:Foo f = (Alpha)x;<br>D:Beta b = (Beta)(Alpha)x;

Given:

Which code, inserted at line 16, will cause a java.lang.ClassCastException?（）
A:Alpha a = x;
B:Foo f = (Delta)x;
C:Foo f = (Alpha)x;
D:Beta b = (Beta)(Alpha)x;

出自：Oracle认证

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