Chapter 8, Problem 8.15PE

(Geometry: same line ?) Programming Exercise 6.39 gives a method for testing whether three points are on the same line.

Write the following method to test whether all the points in the array points are on the same line:

public static boolean sameline(double[][] points)

Write a program that prompts the user to enter five points and displays whether they are on the same line. Here are sample runs: