Question

在下有一道oracle基础题，求大神帮忙编程一下下！！！

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Answer 1

package test;
import java.util.Scanner;
public class Test1 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("请输入矩形的长：");
double l = sc.nextDouble();
System.out.println("请输入矩形的宽：");
double w = sc.nextDouble();
System.out.println("该矩形的面积为："+l*w);
System.out.println("该矩形的周长为："+(l+w)*2);
}
}