题解 | 重写计算逻辑
重写计算逻辑
https://www.nowcoder.com/practice/af4fd657b63241a3a0613d5c487a252f
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while (scanner.hasNextInt()) {
int x = scanner.nextInt();
int y = scanner.nextInt();
Sub sub = new Sub(x, y);
sub.calculate();
}
}
}
class Base {
private int x;
private int y;
public Base(int x, int y) {
this.x = x;
this.y = y;
}
public int getX() {
return x;
}
public int getY() {
return y;
}
public void calculate() {
System.out.println(getX() * getY());
}
}
class Sub extends Base {
public Sub(int x,int y){
super(x,y);
}
public void calculate() {
if (getY() == 0) {
System.out.println("Error");
} else {
System.out.println(getX() / getY());
}
}
}
针对解题过程中的错误分析：
正确代码分析作用：
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