JAVA CODE SNIPPET-10

/**
 * 
 */
package techyield;

/**
 * @author satyanarayana gokavarapu
 *
 */
public class Node {

 public Node(int i) {
  System.out.println("In Node class parameterized constructor "+i);
 }

}

package techyield;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * @author satyanarayana gokavarapu
 *
 */
public class Test{

 public static void main(String[] args) {
  // TODO Auto-generated method stub

  List list = new ArrayList();
  list.add(new Node(10));
  list.add(new String("Krishna"));
  System.out.println(list.get(1)); 

  Set set = new HashSet();
  set.add(new Node(1));
  set.add(new Node(2));
  set.add(new Node(2));
  System.out.println("Length of set is "+set.size());
 }


}

Select an answer

Compile Time Error

Runtime Exception can't insert duplicates into set.

In Node class parameterized constructor 10
Krishna
In Node class parameterized constructor 1
In Node class parameterized constructor 2
In Node class parameterized constructor 2
Length of set is 3

In Node class parameterized constructor 10
Krishna
In Node class parameterized constructor 1
In Node class parameterized constructor 2
In Node class parameterized constructor 2
Length of set is 2

Please comment below if you have any doubts.