Write a program RandomWalker.java that takes an integer command-line argument n and simulates the motion of a random walk for n steps. Print the location at each step (including the starting point), treating the starting point as the origin (0, 0). Also, print the square of the final Euclidean distance from the origin.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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RandomWalker.java

 

A drone begins flying aimlessly, starting at  Nassau Hall (0, 0).  At each time step, the drone flies one meter in a random direction, either north, east, south, or west, with probability 25%. How far will the drone be from  Nassau Hall after n steps? This process is known as a two-dimensional random walk

 

Write a program RandomWalker.java that takes an integer command-line argument n and simulates the motion of a random walk for n steps. Print the location at each step (including the starting point), treating the starting point as the origin (0, 0). Also, print the square of the final Euclidean distance from the origin.

 

Expert Solution
Program conditions

Let assume initially the drone is at (x,y)=(0,0)

For the required program we want input from command line.

And the conditions are : 

Random step < 0.25    = One step in X direction

 

Random step < 0.50    = One step reverse in X direction

 

Random step < 0.75    = One step in Y direction

 

Random step > 0.75    = One step reverse in Y direction

 

Lets see the program now

 

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