The method zhouchang() of type yuan must override or implement a supertype method
来源：10-3 Java 中的抽象类
qq_宇_35
2017-08-04 17:45
The method zhouchang() of type yuan must override or implement a supertype method
package duotaichouxianglei;
public class yuan extends tuxing {
public void zhouchang() {
// TODO Auto-generated method stub
System.out.println("yuandezhouchang");
}
@Override
public void mianji() {
// TODO Auto-generated method stub
}
}
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3回答
-
- qq_这里有风_0
- 2017-08-05 12:55:26
定义好抽象父类保存下即可。
-
- qq_非常幸运_04390770
- 2017-08-04 18:09:44
package duotaichouxianglei;
public class yuan extends tuxing {
float r;
public void zhouchang() {
// TODO Auto-generated method stub
zhouchang = 3.14*2*r;
System.out.println("yuandezhouchang");
}
@Override
public void mianji() {
// TODO Auto-generated method stub
}
public void yuan(float r){
r = r;
}
}
-
- qq__损色__04170649
- 2017-08-04 18:01:38
？？？
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