これは、私が割り当てられたコードです。タスクは、コードの何が問題なのかを見つけることです。このコードは、「Conway's Game of Life」を実装することになっています: http://en.wikipedia.org/wiki/Conway 's_Game_of_Life エラーの場所がわかりません。
import java.util.Scanner;
import javax.swing.JFrame;
public class GameOfLife {
public static void main(String[] args) {
final int testCase = 1;
JFrame frame = new JFrame();
frame.setSize(500, 500);
frame.setTitle("Conway's Game of Life");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Cell[][] universe = new Cell[100][100];
for (int x = 0; x < universe.length-1; x++) {
for (int y = 0; y < universe[x].length-1; y++) {
universe[x][y] = new Cell();
}
}
if (testCase == 1) {
universe[3][2].calculateNext(3);
universe[3][2].updateCurrent();
universe[3][3].calculateNext(3);
universe[3][3].updateCurrent();
universe[3][4].calculateNext(3);
universe[3][4].updateCurrent();
} else if (testCase == 2) {
universe[49][50].calculateNext(3);
universe[49][50].updateCurrent();
universe[49][51].calculateNext(3);
universe[49][51].updateCurrent();
universe[50][49].calculateNext(3);
universe[50][49].updateCurrent();
universe[50][50].calculateNext(3);
universe[50][50].updateCurrent();
universe[51][50].calculateNext(3);
universe[51][50].updateCurrent();
} else {
}
UniverseComponent component = new UniverseComponent(universe);
frame.add(component);
frame.setVisible(true);
Scanner in = new Scanner(System.in);
String input = in.nextLine();
while (input.length() == 0) {
int neighborCount = 0;
for (int x=1; x<universe.length-2; x++) {
for (int y=1; y<universe[x].length-2; y++) {
neighborCount = 0;
if (universe[x-1][y-1].isAlive()) {
neighborCount++;
}
if (universe[x-1][y].isAlive()) {
neighborCount++;
}
if (universe[x-1][y+1].isAlive()) {
neighborCount++;
}
if (universe[x][y-1].isAlive()) {
neighborCount++;
}
if (universe[x][y+1].isAlive()) {
neighborCount++;
}
if (universe[x+1][y-1].isAlive()) {
neighborCount++;
}
if (universe[x+1][y].isAlive()) {
neighborCount++;
}
if (universe[x+1][y+1].isAlive()) {
neighborCount++;
}
universe[x][y].calculateNext(neighborCount);
}
}
for (int x=1; x<universe.length-2; x++) {
for (int y=1; y<universe[x].length-2; y++) {
universe[x][y].updateCurrent();
}
}
component.repaint();
input = in.nextLine();
}
in.close();
}