OnJava8-Examples/housekeeping/Overloading.java

// housekeeping/Overloading.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Both constructor and ordinary method overloading

class Tree {
  int height;
  Tree() {
    System.out.println("Planting a seedling");
    height = 0;
  }
  Tree(int initialHeight) {
    height = initialHeight;
    System.out.println("Creating new Tree that is " +
      height + " feet tall");
  }
  void info() {
    System.out.println(
      "Tree is " + height + " feet tall");
  }
  void info(String s) {
    System.out.println(
      s + ": Tree is " + height + " feet tall");
  }
}

public class Overloading {
  public static void main(String[] args) {
    for(int i = 0; i < 5; i++) {
      Tree t = new Tree(i);
      t.info();
      t.info("overloaded method");
    }
    // Overloaded constructor:
    new Tree();
  }
}
/* Output:
Creating new Tree that is 0 feet tall
Tree is 0 feet tall
overloaded method: Tree is 0 feet tall
Creating new Tree that is 1 feet tall
Tree is 1 feet tall
overloaded method: Tree is 1 feet tall
Creating new Tree that is 2 feet tall
Tree is 2 feet tall
overloaded method: Tree is 2 feet tall
Creating new Tree that is 3 feet tall
Tree is 3 feet tall
overloaded method: Tree is 3 feet tall
Creating new Tree that is 4 feet tall
Tree is 4 feet tall
overloaded method: Tree is 4 feet tall
Planting a seedling
*/