public class Employee {
// fields
String name;
int age;
Department department;
PrimeAgeChecker checks;


// constructors
public Employee(Department department, String name, int age) {
    this.name = name;
    this.age = age;
    this.department = department;

}

public String getName() {
    return name;
}


public int getAge() {
    return age;
}


public Department getDepartment() {
    return department;
}

public boolean getChecker(){
    return PrimeAgeChecker.isPrime;
}


public String toString(){
    StringBuffer sb = new StringBuffer();
    sb.append(getDepartment() + " ");
    sb.append("t");
    sb.append(getName());
    sb.append("t");
    sb.append(getAge());
    sb.append("t");
    sb.append(getChecker());

    return sb.toString();
}
}


public class PrimeAgeChecker {

static int ages;
public static boolean isPrime = false;



PrimeAgeChecker(Employee age) {
    ages = age.getAge();
}

public boolean check() {

    if ((ages % 2 == 0) || (ages == 2))
    {
        isPrime = true;
    }

return isPrime;

}

}

public boolean getChecker(){
    PrimeAgeChecker primeAgeChecker = new PrimeAgeChecker();
    return primeAgeChecker.isPrime(getAge());
}

public class PrimeAgeChecker {

static int ages;
public boolean isPrime;


public static void getAge(Employee e){
    ages = e.getAge();
}


boolean isPrime(int ages) {
    if (ages%2==0) return false;
    for(int i=3;i*i<=ages;i+=2) {
        if(ages%i==0)
            return isPrime = false;
    }
    return isPrime = true;
}
}

public boolean getChecker(int age){
    PrimeAgeChecker primeAgeChecker = new PrimeAgeChecker(age);
    return primeAgeChecker.check();
}