JAVA22. 重写计算逻辑
描述
在父类Base中定义了计算方法calculate(),该方法用于计算两个数的乘积(X*Y)。请在子类Sub中重写该方法,将计算逻辑由乘法改为除法(X/Y)。注意,当分母为0时输出“Error”。输入描述
两个整数输出描述
两个整数的商(int类型,不考虑小数情况)示例1
输入:
6 2
输出:
3
示例2
输入:
1 0
输出:
Error
Java 解法, 执行用时: 28ms, 内存消耗: 10600KB, 提交时间: 2022-02-08
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 { private int x; private int y; public Sub(int x, int y){ super(x,y); } //write your code here...... public void calculate(){ if(super.getY()==0){ System.out.println("Error"); }else { System.out.println(super.getX()/super.getY()); } } }
Java 解法, 执行用时: 28ms, 内存消耗: 10608KB, 提交时间: 2021-11-18
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 { //write your code here...... // @override private int x; private int y; 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()); } } }
Java 解法, 执行用时: 28ms, 内存消耗: 10692KB, 提交时间: 2022-02-09
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 { //write your code here...... public Sub(int x,int y){ super(x,y); } public void calculate(){ if(getY() == 0) //除数为0 System.out.println("Error"); else System.out.println(getX() / getY()); } }
Java 解法, 执行用时: 29ms, 内存消耗: 10648KB, 提交时间: 2021-10-23
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() { if(getY() == 0){ System.out.print("Error"); }else{ System.out.println(getX() / getY()); } } } class Sub extends Base { //write your code here...... public Sub(int x , int y){ super(x,y); } }
Java 解法, 执行用时: 30ms, 内存消耗: 10560KB, 提交时间: 2021-10-17
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()); } }