/**
public class ThisTest { public static void main (String[] args) { SimpleTime time = new SimpleTime (15, 30, 19); System.out.println (time.buildString()); } // end main } // end class ThisTest
// class SimpleTime demonstrates the "this" reference class SimpleTime { private int hour; // 0 - 23 private int minute; // 0 - 59 private int second; // 0 - 59
// if the constructor uses parameter names identical to
// instance variable names the "this" reference is
// required to distinguish between the names
public SimpleTime (int hour, int minute, int second)
{
this.hour = hour; // set "this" object's hour
this.minute = minute; // set "this" object's minute
this.second = second; // set "this" object's second
} // end SimpleTime constructor
// use explicit and implicit "this" to call toUniversalString
public String buildString()
{
return String.format ("%24s: %s\n%24s: %s",
"this.toUniversalString()", this.toUniversalString(),
"toUniversalString()", toUniversalString());
} // end method buildString
// convert to String in universal-time format (HH:MM:SS)
public String toUniversalString()
{
// "this" is not required here to access instance variables,
// because method does not have local variables with same
// names as instance variables
return String.format ("%02d:%02d:%02d",
this.hour, this.minute, this.second);
} // end method toUniversalString} // end class SimpleTime