单项选择题
Which can appropriately be thrown by a programmer using Java SE technology to create a desktop application？（）
A.ClassCastException B.NullPointerException C.NoClassDefFoundError D.NumberFormatException E.ArrayIndexOutOfBoundsException
单项选择题 Given: What is the result when method testIfA is invoked？（）
单项选择题 Given： What is the result？（）
