Error in day 4

[SayanBan]

[simransrivastava01]

import java.io.;
import java.util.;

public class Person {
private int age;

public Person(int initialAge) {
	// Add some more code to run some checks on initialAge
      if(initialAge>0)
      {
          age=initialAge;
      }
      else
      {
          System.out.println("Age is not valid, setting age to 0.");
          age=0;
      }
}

public void amIOld() {
	// Write code determining if this person's age is old and print the correct statement:
      if(age<13)
      {
          System.out.println("You are young.");
      }
      else if(age>=13 && age<18)
      {
          System.out.println("You are a teenager.");
      }
      else
    {
        System.out.println("You are old.");
    }
}

public void yearPasses() {
	// Increment this person's age.
      age=age+1;
}

public static void main(String[] args) {

[simransrivastava01]

Check this out