JavaExercises/Head First Java/DotComGameHelper.java at master · biblelamp/JavaExercises · GitHub

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import java.io.*;

import java.util.*;

public class DotComGameHelper {

private static final String alphabet = "abcdefg";

private int gridLength = 7;

private int gridSize = 49;

private int[] grid = new int[gridSize];

private int comCount = 0;

public String getUserInput(String prompt) {

String inputLine = null;

System.out.print(prompt + " ");

try {

BufferedReader is = new BufferedReader(new InputStreamReader(System.in));

inputLine = is.readLine();

if (inputLine.length() == 0) return null;

} catch (IOException e) {

System.out.println("IOException: " + e);

}

return inputLine.toLowerCase();

}

public ArrayList<String> placeDotCom(int comSize) {

ArrayList<String> alphaCells = new ArrayList<String>();

String[] alphacoords =new String [comSize];

String temp = null;

int[] coords = new int [comSize];

int attempts = 0;

boolean success = false;

int location = 0;

comCount++;

int incr = 1;

if ((comCount %2) == 1) {

incr = gridLength;

}

while (!success & attempts++ <200) {

location = (int) (Math.random() * gridSize);

//System.out.print(" try " + location);

int x = 0;

success = true;

while (success && x < comSize) {

if (grid[location] == 0) {

coords[x++] = location;

location += incr;

if (location >= gridSize){

success = false;

}

if (x>0 && (location % gridLength == 0)) {

success = false;

}

} else {

// System.out.print(" used " + location);

success = false;

}

int x = 0;

int row = 0;

int column = 0;

// System.out.println("\n" );

while (x < comSize) {

grid[coords[x]] = 1;

row = (int) (coords[x] / gridLength);

column = coords[x] % gridLength;

temp = String.valueOf(alphabet.charAt(column));

alphaCells.add(temp.concat(Integer.toString(row)));

x++;

// System.out.print(" coord " + x + " = " + alphaCells.get(x-l));

}

// System.out.println("\n" );

return alphaCells;

}

JavaExercises/Head First Java/DotComGameHelper.java at master · biblelamp/JavaExercises · GitHub

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