📄 square.java
字号:
public class Square extends Rect {
//constructors
public Square() {}
public Square(double side)
{super(side, side);}
//modifiers
public void setSide(double side) {
width = side;
length = side;
}
public void setLength(double length) {
setSide(length);
}
public void setWidth(double width) {
setSide(width);
}
//accessor
final public double getSide() {return width;}
public String toString()
{return "Square: " + width;}
} // class Square
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