我国实行第一个五年计划的期限是什么时间

A. public void methodNamethrows IOException
B. public void methodNamethrow IOException
C. public void methodName
D. public IOException methodName

A. throw new Exception（）;
B. new throw Exception（）;
C. throws IOException;
D. throws IOException;

A. List myList=new ArrayList
B. ArrayList myList=new Object
C. ArrayList myList=new List
D. List myList=new List