Which can appropriately be thrown by a programmer using Java SE technology to create a desktop application？（）

单项选择题Given: What is the result when method testIfA is invoked？（）

A.True
B.Not true
C.An exception is thrown at runtime.
D.Compilation fails because of an error at line 12.
E.Compilation fails because of an error at line 19.

单项选择题Given： What is the result？（）

A.X， followed by an Exception.
B.No output， and an Exception is thrown.
C.Compilation fails due to an error on line 14.
D.Compilation fails due to an error on line 16.
E.Compilation fails due to an error on line 17.

单项选择题Given： What is the result？（）

A.6
B.7
C.10
D.11
E.Compilation fails

单项选择题Given： What is the result？（）

A.test
B.Exception
C.Compilation fails.
D.NullPointerException

单项选择题Given： Which statement is true？（）

A.All of the assert statements are used appropriately.
B.Only the assert statement on line 12 is used appropriately.
C.Only the assert statement on line 15 is used appropriately.
D.Only the assert statements on lines 15 and 18 are used appropriately.