相关考题
-
单项选择题
InputStream对象的方法read(byte[]buffer,intoffset,intlength)的返回值的含义是哪项?()
A.固定长度的字节数
B.1
C.-1
D.运行时异常被抛出 -
单项选择题
Map系列对象中,哪个对象的内部实现是双向链表?()
A.HashMap
B.HashTable
C.LinkedHashMap
D.TreeMap -
单项选择题
class Birds { public static void main(String [] args) { try { throw new Exception(); } catch (Exception e) { try { throw new Exception(); } catch (Exception e2) { System.out.print("inner "); } System.out.print("middle "); } System.out.print("outer "); } } 结果为:()
A.inner
B.inner outer
C.middle outer
D.inner middle outer
