多项选择题
public class Parent {
int change() {…}
}
class Child extends Parent {
}
Which methods can be added into class Child?()
A. public int change(){}
B. int chang(int i){}
C. private int change(){}
D. abstract int chang(){}
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多项选择题
String s= "hello"; String t = "hello"; char c[] = {’h’,’e’,’l’,’l’,’o’} ; Which return true?()
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