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;
Given: What is the result?()
A.2 B.3 C.12 D.23
Click the Exhibit button. Which code, inserted at line 14, will allow this class to correctly serialize and deserialize?()
A.s.defaultReadObject(); B.this = s.defaultReadObject(); C.y = s.readInt(); x = s.readInt(); D.x = s.readInt(); y = s.readInt();