zip and map arrays

package ch.claude_martin;

import java.util.stream.IntStream;

public final class SomeClass {
  private static final String FORMAT = "%s, %d, %s%n";

  static final class Student {
    private final String name, gender;
    private final int age; // note that you should store the birth year instead

    public Student(String name, int age, String gender) {
      this.name = name;
      this.age = age;
      this.gender = gender;
    }

    public int getAge() {
      return age;
    }

    public String getName() {
      return name;
    }

    public String getGender() {
      return gender;
    }

    @Override
    public String toString() {
      return String.format(FORMAT, name, age, gender);
    }
  }

  public static void main(String[] args) {
    String[] names = { "Alice", "Bob", "Oscar" };
    int[] ages = { 35, 65, 23 };
    String[] gender = { "Cis Female", "Cis Male", "Other" };

    assert names.length == ages.length && names.length == gender.length;

    IntStream.range(0, names.length).mapToObj(i -> new Student(names[i], ages[i], gender[i]))
        .forEach(System.out::print);

  }

}