Contact.java

// Contact.java

public class Contact {
  private String email;
  private String name;
  private String telephone;
  
  /** ... getters and setters in here **/
}

// Main.java
public class Main {
  String[] emails;
  String[] telephones;
  String[] names;
  ArrayList<Contact> contacts;
  
  /** somewhere in the class **/
  // ...
  for (int i = 0; i < name.size; i++) {
    Contact c = new Contact();
    c.setName(names[i])
      .setTelephone(telephones[i])
      .setEmail(emails[i]);
    contacts.push(c);
  }
  // ...
}