「java编写矩形包含」编写矩形类
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本文目录一览：
用java编写矩形类
class Rectangle{
double x1, y1, x2, y2;
Rectangle(){
this(0,0,0,0);
}
Rectangle(double x1, double y1, double x2, double y2){
this.x1 = x1;
this.y1 = y1;
this.x2 = x2;
this.y2 = y2;
}
double getArea(){
return Math.abs((x1-x2)*(y1-y2))/2;
}
double getPemi(){
return Math.abs((x1-x2)+(y1-y2))*2;
}
}
public class Test{
public static void main(String[] args) {
Rectangle a = new Rectangle();
a.x1=2.1;
a.y1=3.2;
a.x2=5.2;
a.y2=6.3;
System.out.println("面积是"+a.getArea()+" 周长是"+a.getPemi());
Rectangle b = new Rectangle(1, 2, 6.8, 10.5);
System.out.println("面积是"+b.getArea()+" 周长是"+b.getPemi());
}
}
Java编写一个矩形类,至少包含以下方法：
import java.awt.Point;
public class Rectangle {
private int widthT = 0;
private int heightT = 0;
Point point = new Point();
public Rectangle(int width, int height, int centerX, int centerY) {
widthT = width;
heightT = height;
point.x = centerX;
point.y = centerY;
}
public int width() {
return widthT;
}
public int height() {
return heightT;
}
public int centerX() {
return point.x;
}
public int centerY() {
return point.y;
}
}
麻烦采纳呦~~~亲
Java编写一个矩形类，并计算面积和周长？
class Rectangle{
private int width = 2;
private int length = 1;
public int getWidth(){
return this.width;
}
public void setWidth(int w){
this.width = w;
}
public int getLength(){
return this.length;
}
public void setLength(int l){
this.length = l;
}
public int getArea(){
return this.length * this.width;
}
public int getCircumference(){
return (this.length + this.width) * 2;
}
public Rectangle(){}
public Rectangle(int l, int w){
this.length = l;
this.width = w;
}
}
public class demo{
public static void main(String[] args) {
Rectangle rect = new Rectangle(30, 8);
System.out.print("长方形的面积是：");
System.out.println(rect.getArea());
System.out.printf("长方形的周长是：%d\n", rect.getCircumference());
}
}
java编写矩形包含的介绍就聊到这里吧，感谢你花时间阅读本站内容，更多关于编写矩形类、java编写矩形包含的信息别忘了在本站进行查找喔。
发布于：2022-11-22，除非注明，否则均为原创文章，转载请注明出处。