The this Reference

• Refers to implicit parameter of method call
• Example: Equality testing
  

  public boolean equals(Greeter other)
  {
   if (this == other) return true;
   return name.equals(other.name);
  }
  

• Example: Constructor
  

  public Greeter(String name)
  {
   this.name = name;
  }
  

  Note that instance variables is qualified with this to avoid name clashes with method parameters.