CS计算机代考程序代写 Java package programmingexample5;

package programmingexample5;

import java.awt.Color;

public abstract class Shape {

private Color colour;
private int borderWidth;

public Shape(Color colour) {
this.colour = colour;
this.borderWidth = 0;
}

public Color getColour() {
return colour;
}

public void setColour(Color colour) {
this.colour = colour;
}

public int getBorderWidth() {
return borderWidth;
}

public void setBorderWidth(int borderWidth) {
this.borderWidth = borderWidth;
}

public abstract double area();

}