Question
A Simple Robot. Your task is to write Robot.java that describes the robots The Robot needs to be able to: turnLeft (90 degrees) moveForward (one
A Simple Robot. Your task is to write Robot.java that describes the robots
The Robot needs to be able to:
turnLeft (90 degrees)
moveForward (one step)
The Robot also needs to remember its location. Two methods:
getX(), and
getY()
can be used to report the current values of the robot's location. The location of the robot is a pair ( x , y ) of integers, that describes the position of the robot. When one creates a Robot one need specify:
the location (x, y)
a name for the robot
the direction the robot is facing
The robot also needs to be able to:
report the direction() it's facing (N, S, W, E)
produce a complete report() (x, y, name, direction)
Here's a sample program with two robots:
class Walk { public static void main(String[] args) { Robot a = new Robot("Alice", 2, 3, "North"); a.report(); Robot q = new Robot("Queen", -4, -1, "West"); q.report(); a.turnLeft(); a.report(); a.moveForward(); a.report(); a.turnLeft(); a.report(); a.moveForward(); a.report(); a.moveForward(); a.report(); a.moveForward(); a.report(); q.moveForward(); q.report(); q.turnLeft(); q.report(); } }
This would produce the following output:
Robot Alice located at (2, 3) facing North Robot Queen located at (-4, -1) facing West Robot Alice now turns left. Robot Alice located at (2, 3) facing West Robot Alice now moves forward. Robot Alice located at (1, 3) facing West Robot Alice now turns left. Robot Alice located at (1, 3) facing South Robot Alice now moves forward. Robot Alice located at (1, 4) facing South Robot Alice now moves forward. Robot Alice located at (1, 5) facing South Robot Alice now moves forward. Robot Alice located at (1, 6) facing South Robot Queen now moves forward. Robot Queen located at (-5, -1) facing West Robot Queen now turns left. Robot Queen located at (-5, -1) facing South
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