Given: What is the result?()
A.1 2 3 B.Compilation fails because of an error in line 12. C.Compilation fails because of an error in line 13. D.Compilation fails because of an error in line 14. E.A ClassCastException is thrown at runtime.
单项选择题Given: What is the result?()
A.TestA B.TestB C.Compilation fails. D.An exception is thrown at runtime.
单项选择题Given: Which code, inserted at line 16, correctly retrieves a local instance of a Point object?()
A.Point p = Line.getPoint(); B.Line.Point p = Line.getPoint(); C.Point p = (new Line()).getPoint(); D.Line.Point p = (new Line()).getPoint();
A.Compilation succeeds. B.Exactly one class does NOT compile. C.Exactly two classes do NOT compile. D.Exactly four classes do NOT compile. E.Exactly three classes do NOT compile.
多项选择题Given: Which two methods, inserted individually, correctly complete the Three class?()
A.public void foo() {} B.public int foo() { return 3; } C.public Two foo() { return this; } D.public One foo() { return this; } E.public Object foo() { return this; }
A.3 B.23 C.32 D.123 E.321