Answer Posted / mr. ashwani hundwani

A constructor is a member function of a class,which gets
automatically called when a class is instantiated(i.e when
object is created),compiler automatically provides default
constructor(with no arguments).
It has same name as that of class
***Constructor is best utilized for initializing the data
members.*****
rather than writing methods to provide the values to data
members we can pass them through consturctor at the time of
instantiation.EX-

import java.util.*;
class shape
{
int length;
public shape(int len)//constructor should be public
{
length=len;
}
}
class abc
{
public static void main(String a[])
{
shape obj=new shape(5);/*passing a integer value to
constructor of class shape*/

}
}

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