analyze the code and fix the error 

package shapes;

import java.util.Set;

public class Rectangle extends Shape implements HasAngles {

private double length;

private double width;

public Rectangle(String colour, double length, double width) {

super(colour);

this.length = length;

this.width = width;

}

public double getArea(){

Scanner myObj = new Scanner(System.in);

System.out.printIn("Enter length");

System.out.printIn("Enter width");

String length*width = myObj.nextLine(;)

return length*width;

}

public double getLength() {

System sc = New scanner(System.in);

System.out.printIn("Enter Length");

String length = sc.nextdouble);

return length;

}

public void setLength(double length) {

string setLength = New Set;

System.out.printIn("Set + set");

System.out.println("The size of the set is: " + set.size());

this.length = length;

}

public double getWidth() {

return width;

}

public void setWidth(double width) {

this.width = width;

}

public double getWidestAngle() {

return Math.PI/2;

}

public double getNarrowestAngle() {

return Math.PI/2;

}

//the same if the same colour and size

/*public boolean equals (Object other) {

if (! (other instanceof Rectangle) ) {

return false;

}

Rectangle otherR = (Rectangle) other;

return getColour().equals(otherR.getColour() )

&& length == otherR.length

&& width == otherR.width;

}