Overloaded Constructors : Constructor « Object Oriented « SCJP

1. SCJP
2. Object Oriented
3. Constructor

public class Animal {
     String name;
     Animal(String name) {
       this.name = name;
     }
  
     Animal() {
       this(makeRandomName());
     }
 
    static String makeRandomName() {
      String name = "i";
      return name;
    }
 
    public static void main (String [] args) {
      Animal a = new Animal();
      System.out.println(a.name);
      Animal b = new Animal("Zeus");
      System.out.println(b.name);
    }
  }