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BJP3 Exercise 8.3: manhattanDistancePoint

Added by: Marty Stepp on 2013/04/01

Add the following method to the Point class:

public int manhattanDistance(Point other)

Returns the "Manhattan distance" between the current Point object and the given other Point object. The Manhattan distance refers to how far apart two places are if the person can only travel straight horizontally or vertically, as though driving on the streets of Manhattan. In our case, the Manhattan distance is the sum of the absolute values of the differences in their coordinates; in other words, the difference in x plus the difference in y between the points.

public class Point {
    private int x;
    private int y;
    // your code goes here

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