why won't it let me initialize the this.left ?

Question about the task

Let's put together a rectangle

Java Syntax, Level 5, Lesson 7

Resolved

I can't intialize the last three variables (left, width or height) with an intialize method?!

Create a Rectangle class. The data for this class will be top, left, width, height.
Create as many initialize(...) methods as possible

Here are some examples:
- 4 parameters are specified: left, top, width, and height
- width/height is not specified (both are 0)
- height is not specified (it is equal to the width), we'll create a square
- create a copy of another rectangle passed as an argument

Requirements:

The program must not read data from the keyboard.
The Rectangle class must have int variables top, left, width and height.
The class must have at least one initialize method.
The class must have at least two initialize methods.
The class must have at least three initialize methods.
The class must have at least four initialize methods.

package com.codegym.task.task05.task0513; /* Let's put together a rectangle The program must not read data from the keyboard. */ public class Rectangle { //write your code here private int top, left, width, height; // if height equals width then these are always squares, therefore they can all be equal! public void initialize(int top) { this.top = top; } //this.left = top; this.width = top; this.height = top; } public void initialize(int leff) { this.left = leff; } //this.left = left; this.width = left; this.height = left; } //public void initialize(int width) { this.top = width; } //this.left = width; this.width = width; this.height = width; } //public void initialize(int height) { this.top = height; this.left = height; this.width = height; this.height = height; } public void initialize(Rectangle copy) { this.top = copy.top; this.left = copy.left; this.height = copy.height; this.width = copy.width; } public static void main(String[] args) { } }

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Jeremy Simons

Level 7 , Peterborough, Cambridgeshire, UK, United Kingdom

6 August 2019, 11:48

I discovered that although you can have duplicate initialize() constructors, they must not have matching variable type inputs. I resolved this with: package com.codegym.task.task05.task0513; /* Let's put together a rectangle The program must not read data from the keyboard. */ public class Rectangle { //write your code here int top, left, width, height; // if height equals width then these are always squares, therefore they can all be equal! public void initialize( int top, int left ) { this.top = top; this.left = left; this.width = height; this.height = width; } public void initialize( int top, int left, int width ) { this.top = top; this.left = left; this.width = width; this.height = width; } public void initialize( int top, int left, int width, int height ) { this.top = top; this.left = left; this.width = width; this.height = height; } public void initialize(Rectangle copy) { this.top = copy.top; this.left = copy.left; this.height = copy.height; this.width = copy.width; } public static void main(String[] args) { } }