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10. abstract public cl


10. abstract public class Employee {  11. protected abstract double getSalesAmount();  12. public double getCommision() {  13. return getSalesAmount() * 0.15;  14. }  15. }  16. class Sales extends Employee {  17. // insert method here  18. }  Which two methods, inserted independently at line 17, correctly complete the Sales class?()

  • A double getSalesAmount() { return 1230.45; }
  • B public double getSalesAmount() { return 1230.45; }
  • C private double getSalesAmount() { return 1230.45; }
  • D protected double getSalesAmount() { return 1230.45; }
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分类:SCJP程序员认证考试题库
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