单选题public class Parent{ public void change(int x){} } public class Child extends Parent{ //覆盖父类change方法 } 下列哪个声明是正确的覆盖了父类的change方法?()A protected void change(int x){}B public void change(int x, int y){}C public void change(String s){}D public void change(int x){}
单选题
public class Parent{ public void change(int x){} } public class Child extends Parent{ //覆盖父类change方法 } 下列哪个声明是正确的覆盖了父类的change方法?()
A
protected void change(int x){}
B
public void change(int x, int y){}
C
public void change(String s){}
D
public void change(int x){}
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