Copy Constructor

 import java.util.*;

class Student1 {

String name;

int age;

public void printInfo() {

System.out.println(this.name);

System.out.println(this.age);

}

Student1(Student1 s2) {

this.name = s2.name;

this.age = s2.age;

}

Student1() {}

}

public class OOPS3 {

public static void main(String args[]) {

Student1 s1 = new Student1(); //This is a Constructor:- to construct object

s1.name = "aman";

s1.age = 24;

Student1 s2 = new Student1(s1);

s2.printInfo();

}

}