单项选择题
What is the result？（）
A. The program runs and prints nothing. B. The program runs and prints “Equal”. C. An error at line 5 cause compilation to fail. D. The program runs but aborts with an exception.
单项选择题 What is the result？（）
单项选择题 What is the result（）？
多项选择题 Whichthe twodemonstratean“isa”relationship？（）
