单项选择题
A.None of these objects are eligible for garbage collection.
B.Only the object referenced by booch is eligible for garbage collection.
C.Only the object referenced by snoog is eligible for garbage collection.
D.Only the object referenced by snooch is eligible for garbage collection.
E.The objects referenced by snooch and booch are eligible for garbage collection.
多项选择题 Click the Exhibit button. Which three code fragments， added individually at line 29， produce the output 100？（）
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？（）
单项选择题 Click the Exhibit button. Given this code from Class B： 25.A a1 = new A（）； 26.A a2 = new A（）； 27.A a3 = new A（）； 28.System.out.println（A.getInstanceCount（））； What is the result？（）
