練習的參考答案,僅供參考:
package com.example;
import java.util.Scanner;
/**
* 正方形面積計算
*/
public class Area {
public static void main(String[] args) {
String desc = "正方形";
System.out.println("請輸入" + desc + "的邊長:");
Scanner scanner = new Scanner(System.in);
double border = scanner.nextDouble();
double area = Math.pow(border, 2);
System.out.println("所計算的" + desc + "的面積是:" + area);
}
}
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