How to sort the name along with age in java

Question

I am new to Java 8. I just want to sort by the name. But the condition is: if there are duplicate names then it should be sorted according to age.

For example my inp

Answer 1

This is simple one liner comparison using ternary operator for sorting the objects. No need to write so many if/else block.

Collections.sort(persons, new Comparator() {

    @Override
    public int compare(Person t1, Person t2) {

        return t1.getFname().equals(t2.getFname()) ? t1.getAge()-t2.getAge() : t1.getFname().compareTo(t2.getFname());

    }
});