this
	• Keyword for the object we are looking at • Tricky - takes getting used to • Settles ambiguity in variable names: 40 this.contents = contents; declared    on line 25            on line 37 • Send a message to yourself 76 this.setContents(contents+text); is the same as 76  setContents(contents+text); (don’t forget that it is a message: this is implicit)