Не компилирует код. Ему не нравятся методы initialize в строке 20, 27, 34. В 13 строке всё в порядке.
package com.javarush.task.task05.task0513;

public class Rectangle {
    int top;
    int left;
    int width;
    int height;

    public void initialize(int top){
        this.top = top;
        this.left = 0;
        this.width = 0;
        this.height = 0;
    }

     public void initialize(int left){
        this.top = 0;
        this.left = left;
        this.width = 0;
        this.height = 0;
    }

     public void initialize(int width){
        this.top = 0;
        this.left = 0;
        this.width = width;
        this.height = 0;
    }

     public void initialize(int height){
        this.top = 0;
        this.left = 0;
        this.width = 0;
        this.height = height;
    }

    public static void main(String[] args) {

    }
}
Ошибка: com/javarush/task/task05/task0513/Rectangle.java:16: error: method initialize(int) is already defined in class com.javarush.task.task05.task0513.Rectangle public void initialize(int left){ ^