Multiple instance of nextLine() does not work

Question

import java.util.Scanner;

public class MySweetProgram {//class has member

public static void main(String[] args) {//main method
    Scanner scanner = new Scanner (System.in);

    System.out.println("How old are you");
    int age = scanner.nextInt();

    System.out.println("Cats or Dogs");
    String animal = scanner.nextLine();
    //changing this String animal = scanner.next();
    //allows me input the answer for cats and dogs

        if (age > 1 && "Cats".equals(animal)) {
            System.out.println("Welcome");
          }

}

}