사각형, 도형 정보 출력
public class Shape {
private int x;
private int y;
public void setX(int x) {this.x = x;};
public void setY(int y) {this.y = y;};
public int getX() {return x;};
public int getY() {return y;};
public String toString() {
return "::중심좌표 (" + x + ", " + y + ")";
}
public int area() {
return 0;
}
public int perimeter() {
return 0;
}
public Shape() {
x = 0;
y = 0;
}
}
public class Rectangle extends Shape{
private int width;
private int height;
public int area() {
return width * height;
}
public int perimeter() {
return 2 * (width + height);
}
public String toString() {
return super.toString() + ":: 면적 - " + area() + ":: 둘레 - " + perimeter();
}
public Rectangle(int width, int height) {
super();
this.width = width;
this.height = height;
}
}
import java.util.Scanner;
public class Practice_69 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
Shape r = new Shape();
System.out.println("도형의 정보를 입력하세요.");
System.out.print("중심좌표의 X값: ");
r.setX(input.nextInt());
System.out.print("중심좌표의 Y값: ");
r.setY(input.nextInt());
System.out.println("\n사각형의 정보를 입력하세요.");
System.out.print("중심좌표의 X값: ");
int x = input.nextInt();
System.out.print("중심좌표의 Y값: ");
int y = input.nextInt();
System.out.print("가로길이: ");
int w = input.nextInt();
System.out.print("세로길이: ");
int h = input.nextInt();
Rectangle r2 = new Rectangle(w, h);
r2.setX(x);
r2.setY(y);
System.out.println("\n만들어진 도형의 정보는 다음과 같습니다.");
System.out.println("도형" + r.toString());
System.out.println("사각형" + r2.toString());
input.close();
}
}
결과:
