单项选择题
A.ArrayIndexOutOfBoundsException B.IOException C.NullPointerException D.ArithmeticException
A.编译时将发生错误 B.编译时正确但是运行时出错 C.输出为0 D.输出为null
A.public abstract int read( )throws IOException B.public final void writeInt(int v)throws IOException C.pubfic void close( )throws IOException D.pubfic int available( )throws IOExcepfion