问题:
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?()
● 参考解析
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