Given:
When the doSomething method is called, after which line does the Object created in line 5 become available for garbage collection?（）

单项选择题Given: What is the result?（）

A.Compilation fails.
B.An exception is thrown at runtime.
C.doStuff x = 6 main x = 6
D.doStuff x = 5 main x = 5
E.doStuff x = 5 main x = 6
F.doStuff x = 6 main x = 5

单项选择题Given: What is the result?（）

A.Compilation fails.
B.An exception is thrown at runtime.
C.The attribute id in the ItemTest object remains unchanged.
D.The attribute id in the ItemTest object is modified to the new value.
E.A new ItemTest object is created with the preferred value in the id attribute.

单项选择题Given classes defined in two different files : What is required at line 5 in class SomeApp to use the process method of BitUtils?（）

A.process（bytes）；
B.BitUtils.process（bytes）；
C.app.BitUtils.process（bytes）；
D.Util.BitUtils.process（bytes）；
E.Importutil.BitUtils.*；process（bytes）；
F.Some App can not use the process method in BitUtils.

单项选择题Click the Exhibit button. Given the fully-qualified class names: com.foo.bar.Dog com.foo.bar.blatz.Book com.bar.Car com.bar.blatz.Sun Which graph represents the correct directory structure for a JAR file from which those classes can be used by the compiler and JVM?（）

A.Jar A
B.Jar B
C.Jar C
D.Jar D
E.Jar E

单项选择题Given: When line 15 is reached, how many objects are eligible for the garbage collector?（）

A.0
B.1
C.2
D.3
E.4
F.5