单项选择题
When is the Float object. Created in line 3. eligible for garbage collection？（）
A. just after line 5 B. just after line 6 C. just after line 7 （That is. As the method returns） D. Never in this method
单项选择题 Whichisthevalididentifier？（）
多项选择题 Whichthe two choicesareequivalent？（）
单项选择题 Which statement is true？（）
