Given: If some sort of exception is thrown at line 34, which output is possible?()
A.a B.b C.c D.ac E.abc
单项选择题Given: What is the result?()
A.test end B.Compilation fails. C.test runtime end D.test exception end E.A Throwable is thrown by main at runtime.
单项选择题Given: What is the result when the go() method is invoked?()
A.00 B.0001 C.000120 D.00012021 E.Compilation fails F.An exception is thrown at runtime
单项选择题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;
单项选择题Given: What is the result?()
A.2 B.3 C.12 D.23
单项选择题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();