class A { protected int method1（int a， int b） { return 0； } } Which two are valid in a class that extends class A？（） A、 public int method1（int a， int b） { return 0； }B、 private int method1（int a， int b） { return 0； }C、 private int method1（int a， long b） { return 0； }D、 public short method1（int a， int b） { return 0： }E、 static protected int method1（int a， int b） { return 0； }
class A { protected int method1（int a， int b） { return 0； } } Which two are valid in a class that extends class A？（）
- A、 public int method1（int a， int b） { return 0； }
- B、 private int method1（int a， int b） { return 0； }
- C、 private int method1（int a， long b） { return 0； }
- D、 public short method1（int a， int b） { return 0： }
- E、 static protected int method1（int a， int b） { return 0； }
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