文件名称：ocjp考前复习-最新
文件大小：8.87MB
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更新时间：2015-08-04 10:24:23
ocjp QUESTION 3 Given: 11. // insert code here 12. private N min, max; 13. public N getMin() { return min; } 14. public N getMax() { return max; } 15. public void add(N added) { 16. if (min == null || added.doubleValue() < min.doubleValue()) 17. min = added; 18. if (max == null || added.doubleValue() > max.doubleValue()) 19. max = added; 20. } 21. } Which two, inserted at line 11, will allow the code to compile? (Choose two.) A. public class MinMax<?> { B. public class MinMax<? extends Number> { C. public class MinMax