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Day04.java

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import java.util.*;

class Person {

private int age;

public Person(int initialAge) {

// Add some more code to run some checks on initialAge

if(initialAge < 0){

System.out.println("Age is not valid, setting age to 0.");

age = 0;

}

else{

age = initialAge;

}

public void amIOld() {

// Write code determining if this person's age is old and print the correct statement:

System.out.println(age < 13 ? "You are young." : age < 18 ? "You are a teenager." : "You are old.");

}

public void yearPasses() {

age++;

}

public class Day04 {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

int T = sc.nextInt();

for (int i = 0; i < T; i++) {

int age = sc.nextInt();

Person p = new Person(age);

p.amIOld();

for (int j = 0; j < 3; j++) {

p.yearPasses();

}

p.amIOld();

System.out.println();

}

sc.close();

}