单项选择题
A.“Hello” B.‘world’ C.\u2345 D.new String(“good”)
A.固定长度的字节数 B.1 C.-1 D.运行时异常被抛出
A.HashMap B.HashTable C.LinkedHashMap D.TreeMap
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
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