NullPointerException

I get NullPointerException when I compile the following code. Can you tell me the problem in this one.

Code:

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public class DrawRec {
    public static void main(String[] args) {
        Rectangle myRect;
        myRect.width = 40;
        myRect.height = 50;
        System.out.println("myRect's area is " + myRect.area());
    }
}

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You are not creating a rectangle object. When you try to define width, there is no object there.

Code:

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public class DrawRec {
    public static void main(String[] args) {
        Rectangle myRect = new Rectanle();
        myRect.width = 40;
        myRect.height = 50;
        System.out.println("myRect's area is " + myRect.area());
    }
}

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Code:

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Rectangle myRect = new Rectangle();

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Thanks. I missed this.