☞This constructor is used to copy the initial values of the instance variables of an object to the instance variables of another object.
class Area{ int length; int breadth; Area(int l, int b){ length=l; breadth=b; } Area(Area obj){ length=obj.length; breadth=obj.breadth; } void display(){ System.out.println(length*breadth); } public static void main(String args[]){ Area rectangle1 = new Area(4,5); Area rectangle2 = new Area(rectangle1); rectangle1.display(); rectangle2.display(); } }
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