计算矩形的周长与面积,
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/08/11 14:10:21
计算矩形的周长与面积,
![计算矩形的周长与面积,](/uploads/image/z/18915966-54-6.jpg?t=%E8%AE%A1%E7%AE%97%E7%9F%A9%E5%BD%A2%E7%9A%84%E5%91%A8%E9%95%BF%E4%B8%8E%E9%9D%A2%E7%A7%AF%2C)
英语不好,就拿拼音吧.
public class Juxing {
private double a;
private double b;
// 计算周长
public double zhouchang() {
return 2 * (a + b);
}
// 计算面积
public double mianji() {
return a * b;
}
public double getA() {
return a;
}
public void setA(double a) {
this.a = a;
}
public double getB() {
return b;
}
public void setB(double b) {
this.b = b;
}
}
public class Juxing {
private double a;
private double b;
// 计算周长
public double zhouchang() {
return 2 * (a + b);
}
// 计算面积
public double mianji() {
return a * b;
}
public double getA() {
return a;
}
public void setA(double a) {
this.a = a;
}
public double getB() {
return b;
}
public void setB(double b) {
this.b = b;
}
}