Java-Work1-第一个Java程序
程序要求
- 输出特定半径长的圆形的面积
- 输出特定长和宽的矩形的面积
程序难点
- 打印字符串和数字的组合, 使用 + 号
程序代码
package work1;
public class Area
{
static final double PI = 3.1415;
public static void main(String[] args)
{
double r, CircleArea, height, weight, MatrixArea;
r = 3;
height = 4;
weight = 5;
CircleArea = PI * r * r;
MatrixArea = height * weight;
System.out.println("Circle Area = " + CircleArea);
System.out.println("Matrix Area = " + MatrixArea);
}
}