if-statement: Game of Life implementation in java, wont give out proper output [on hold]

import java.util.Scanner;

public class Life {

static Scanner input = new Scanner(System.in);

public static void main(String[] args){

String [][]world;

world = new String [20][20];

String alivecell = "A";

String deadcell = "D";

int day = 0;

for (int a = 0; a<20; a++){

for (int a2 = 0; a2<20; a2++){

world [a][a2]  = deadcell;

 //shows every cell as dead 
}

}
int more = 1;     

// meant for if the player is wanting to add more living cells onto the game

while (more ==1){
int c = 21;// column
int r = 21;// row

while(c > 20||r > 20){// since the game is in a 20x20 grid, it will loop the         
code below if the column or row is above 20
System.out.println("Which column do you want a cell to be on?;
c = input.nextInt(); 
System.out.println("Which row do you want a cell to be on? ");
r=input.nextInt();  
c=c-1;
r=r-1;
}


    day = 1;/// a day of living cell(s) has begun
    System.out.println("day " + day);
    for(int a=0; a<20; a++ ){
        for(int a2=0; a2<20; a2++ ){



        world[c][r] = alivecell;// WHICH CELLS SHOULD BE ALIVE 

         System.out.format("%3s", world [a][a2] );//output shown in 20x20  
      grid



        }
        System.out.println();
    }   




    System.out.println("add more living cells (type 1) or start game (press     
   any other button)?");
    more = input.nextInt();
if (more !=1){
game(world, deadcell, deadcell, c, r, 0);
 }


}
 }


public static void game(String [][] world, String alivecell, String deadcell,  int c, int r, int day){

   // cells alive on prev day

        // if the number of neighbors were 2 or 3

        // neighbors in corners and sides (c/column =0 or r/row =0)

        // neighbors in any other area


    int cont = 1;
    day = 1;
    while (cont ==1){
        System.out.println("Day " +(day+1));
        day = day +1;
    for(int a=0; a<20; a++ ){
        for(int a2=0; a2<20; a2++ ){    

    if(world[(a)][a2] == alivecell || world[(a)][a2] == alivecell ){

 if         (world [c][r-1] == alivecell && world[c][r+1] ==alivecell   || 
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r] == alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world[c+1][r] ==alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r-1] == alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world[c+1][r+1] ==alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r+1] == alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world[c+1][r-1] ==alivecell ||
                //2 cells on a row and one more neighbor near in some form
                        world [c+1][r] == alivecell && world[c][r-1] == alivecell||
                        world [c+1][r] == alivecell && world[c][r+1] == alivecell||

                        world [c+1][r] == alivecell && world[c-1][r+1] == alivecell||
                        world [c+1][r] == alivecell && world[c-1][r-1] == alivecell||


                                world [c][r-1] == alivecell && world[c][r-1] == alivecell||
                                world [c][r+1] == alivecell && world[c][r+1] == alivecell||
                                world [c][r+1] == alivecell && world[c][r-1] == alivecell||
                                world [c][r-1] == alivecell && world[c][r+1] == alivecell||

                                world [c][r+1] == alivecell && world[c+1][r+1] == alivecell||
                                world [c][r-1] == alivecell && world[c+1][r-1] == alivecell||
                                world [c][r-1] == alivecell && world[c+1][r+1] == alivecell||
                                world [c][r+1] == alivecell && world[c+1][r-1] == alivecell||

                                world [c][r-1] == alivecell && world[c+1][r-1] == alivecell||

                                world [c+1][r-1] == alivecell && world[c+1][r] ==alivecell && world [c+1][r+1] == alivecell||
                                        world [c+1][r-1] == alivecell && world[c][r-1] ==alivecell && world [c+1][r+1] == alivecell||
                                        world [c+1][r-1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r+1] == alivecell
                ){

            world[a][a2]=alivecell;
                }else{
                    world[a][a2]=deadcell;
                }
            }
    if(world[a][(0)] == alivecell|| world[a][(20)] == alivecell){
        if(world [c+1][r] == alivecell && world[c-1][r] ==alivecell   || 
                world [c+1][r] == alivecell && world[c-1][r] ==alivecell && world [c][r+1] == alivecell ||
                world [c+1][r] == alivecell && world[c-1][r] ==alivecell && world [c-1][r+1] == alivecell ||
                world [c+1][r] == alivecell && world[c-1][r] ==alivecell && world [c+1][r+1] == alivecell ||
                        world [c-1][r+1] == alivecell && world[c][r+1] ==alivecell && world [c-1][r-1] == alivecell||
                        world [c+1][r+1] == alivecell && world[c+1][r] ==alivecell && world [c-1][r-1] == alivecell||

                        world [c+1][r-1] == alivecell && world[c+1][r] ==alivecell && world [c+1][r+1] == alivecell||
                        world [c+1][r-1] == alivecell && world[c-1][r] ==alivecell && world [c+1][r+1] == alivecell||
                        world [c+1][r-1] == alivecell && world[c][r-1] ==alivecell && world [c+1][r+1] == alivecell||
                        world [c+1][r-1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r+1] == alivecell||
                                world [c-1][r+1] == alivecell && world[c+1][r] ==alivecell && world [c-1][r-1] == alivecell||
                                world [c-1][r+1] == alivecell && world[c-1][r] ==alivecell && world [c-1][r-1] == alivecell||


                                        world [c-1][r] == alivecell && world[c][r+1] == alivecell||

                                        world [c+1][r] == alivecell && world[c][r+1] == alivecell||

                                        world [c-1][r] == alivecell && world[c+1][r+1] == alivecell||

                                        world [c+1][r] == alivecell && world[c+1][r+1] == alivecell||

                                        world [c-1][r] == alivecell && world[c-1][r+1] == alivecell||

                                        world [c+1][r] == alivecell && world[c-1][r+1] == alivecell)

            {
            world[a][a2] = alivecell;   
            }else{
                world[a][a2] = deadcell;    
            }


    }

    if(world[0][0] == alivecell){
        if(world[(0+1)][(0+1)] == alivecell && world[(0+1)][0]==alivecell&&world[0][(0+1)] == alivecell ||
                world[(0+1)][(0+1)] == alivecell && world[(0+1)][0]==alivecell||
                world[(0+1)][(0+1)]==alivecell && world[0][(0+1)]==alivecell||
                world[(0+1)][(0)] == alivecell && world[0][(0+1)] == alivecell 
                ){
            world [c][r] = alivecell;
        }   else {
                world [c][r] = deadcell;
            }

    }else if(world[0][0] ==deadcell){
        if(
                world[(0+1)][(0+1)] == alivecell && world[(0+1)][0]==alivecell||
                world[(0+1)][(0+1)]==alivecell && world[0][(0+1)]==alivecell||
                world[(0+1)][(0)] == alivecell && world[0][(0+1)] == alivecell 
                ){
            world [c][r] = alivecell;
    }else {
        world [c][r] = deadcell;
    }


    if (world[0][19] == alivecell){
        if(world[(0+1)][19] == alivecell && world[0][19-1]==alivecell&&world[0+1][19-1] == alivecell ||
                world[(0+1)][(19-1)] == alivecell && world[0][(19-1)]==alivecell||
                world[(0+1)][19]==alivecell && world[(0+1)][(19-1)]==alivecell||
                world[(0+1)][19] == alivecell && world[0][(19-1)] == alivecell 
                ){
            world [c][r] = alivecell;
        }else {
            world [c][r] = deadcell;
        }
    }else if (world[0][19] == deadcell){
        if(world[(0+1)][(19-1)] == alivecell && world[0][(19-1)]==alivecell||
                world[(0+1)][(19)]==alivecell && world[(0+1)][(19-1)]==alivecell||
                world[(0+1)][19] == alivecell && world[0][(19-1)] == alivecell 
                ){
            world [c][r] = alivecell;
        }else {
            world [c][r] = deadcell;
        }
    }
    if (world[19][19] == alivecell){
        if(world[19-1][19-1] == alivecell && world[19-1][19]==alivecell&&world[19][19-1] == alivecell ||
                world[19-1][19-1] == alivecell && world[19-1][19]==alivecell||
                world[19-1][19]==alivecell && world[19][19-1]==alivecell||
                world[19-1][19-1] == alivecell && world[19-1][19] == alivecell 
                ){
            world [c][r] = alivecell;
        }else {
            world [c][r] = deadcell;
        }
    }else if (world[19][19] == deadcell){
        if(
                world[19-1][19-1] == alivecell && world[19-1][19]==alivecell||
                world[19-1][19]==alivecell && world[19][19-1]==alivecell||
                world[19-1][19-1] == alivecell && world[19-1][19] == alivecell 
                ){
            world [c][r] = alivecell;
    } else {
        world [c][r] = deadcell;
    }
    if(world[19][0] == alivecell){
        if(world[(19-1)][0+1] == alivecell && world[(19+1)][0]==alivecell&&world[19][0+1] == alivecell ||
            world[(19+1)][0+1] == alivecell && world[(19-1)][0]==alivecell||
            world[(19-1)][0]==alivecell && world[19][0+1]==alivecell||
            world[(19-1)][0+1] == alivecell && world[19][0+1] == alivecell 
            ){
            world [c][r] = alivecell;
        }   else {
            world [c][r] = deadcell;
        }
    }else if(world[19][0] == alivecell){
        if(world[(19-1)][0+1] == alivecell && world[(19+1)][0]==alivecell&&world[19][0+1] == alivecell ||
                world[(19+1)][0+1] == alivecell && world[(19-1)][0]==alivecell||
                world[(19-1)][0]==alivecell && world[19][0+1]==alivecell||
                world[(19-1)][0+1] == alivecell && world[19][0+1] == alivecell 
                ){
            world [c][r] = alivecell;
        }   else {
            world [c][r] = deadcell;
        }

    }       

    if (world [a][a2]== alivecell){
        if      (world [c][r-1] == alivecell && world[c][r+1] ==alivecell   || 
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world [c-1][r] == alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world[c+1][r] ==alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world [c-1][r-1] == alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world[c+1][r+1] ==alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world [c-1][r+1] == alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world[c+1][r-1] ==alivecell ||
                //2 cells on a row and one more neighbor near in some form

                world [c-1][r] == alivecell && world[c+1][r] ==alivecell   || 
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c][r+1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c][r-1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c+1][r+1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c-1][r+1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c+1][r-1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c-1][r-1] == alivecell ||
                // 2 cells on a column and one more neighbor near in some form

                world [c+1][r-1] == alivecell && world[c-1][r+1] == alivecell||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c-1][r-1] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c+1][r+1] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c+1][r] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c][r+1] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c-1][r] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c][r-1] == alivecell ||

                world [c+1][r+1] == alivecell && world[c-1][r-1] == alivecell||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c+1][r] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c][r+1] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c][r-1] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c-1][r+1] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c-1][r] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c+1][r-1] == alivecell||

                // 2 cells shown diagonally and one more neighbor near in some form

                        world [c-1][r] == alivecell && world[c][r-1] == alivecell||//
                        world [c+1][r] == alivecell && world[c][r+1] == alivecell||
                        world [c+1][r] == alivecell && world[c][r-1] == alivecell||//
                        world [c-1][r] == alivecell && world[c][r+1] == alivecell||
                        world [c+1][r] == alivecell && world[c+1][r-1] == alivecell||//
                        world [c+1][r] == alivecell && world[c-1][r+1] == alivecell||
                        world [c-1][r] == alivecell && world[c-1][r-1] == alivecell||//
                        world [c-1][r] == alivecell && world[c-1][r+1] == alivecell||
                        world [c+1][r] == alivecell && world[c-1][r-1] == alivecell||//
                        world [c+1][r] == alivecell && world[c+1][r+1] == alivecell||
                        world [c-1][r] == alivecell && world[c-1][r-1] == alivecell||//
                        world [c-1][r] == alivecell && world[c+1][r+1] == alivecell||

                                world [c][r-1] == alivecell && world[c][r-1] == alivecell||
                                world [c][r+1] == alivecell && world[c][r+1] == alivecell||
                                world [c][r+1] == alivecell && world[c][r-1] == alivecell||
                                world [c][r-1] == alivecell && world[c][r+1] == alivecell||
                                world [c][r+1] == alivecell && world[c+1][r-1] == alivecell||
                                world [c][r+1] == alivecell && world[c-1][r+1] == alivecell||
                                world [c][r-1] == alivecell && world[c-1][r-1] == alivecell||
                                world [c][r-1] == alivecell && world[c-1][r+1] == alivecell||
                                world [c][r+1] == alivecell && world[c-1][r-1] == alivecell||
                                world [c][r+1] == alivecell && world[c+1][r+1] == alivecell||
                                world [c][r-1] == alivecell && world[c-1][r-1] == alivecell||
                                world [c][r-1] == alivecell && world[c+1][r+1] == alivecell||


                                        world [c+1][r+1] == alivecell && world[c][r-1] ==alivecell && world [c+1][r-1] == alivecell||
                                        world [c+1][r+1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r-1] == alivecell||
                                        world [c+1][r+1] == alivecell && world[c-1][r] ==alivecell && world [c+1][r-1] == alivecell||

                                        world [c-1][r-1] == alivecell && world[c-1][r] ==alivecell && world [c-1][r+1] == alivecell||
                                        world [c-1][r-1] == alivecell && world[c+1][r] ==alivecell && world [c-1][r+1] == alivecell||
                                        world [c-1][r-1] == alivecell && world[c][r-1] ==alivecell && world [c-1][r+1] == alivecell||
                                        world [c-1][r-1] == alivecell && world[c][r+1] ==alivecell && world [c-1][r+1] == alivecell||

                                        world [c-1][r-1] == alivecell && world[c-1][r] ==alivecell && world [c+1][r-1] == alivecell||
                                        world [c-1][r-1] == alivecell && world[c+1][r] ==alivecell && world [c+1][r-1] == alivecell||
                                        world [c-1][r-1] == alivecell && world[c][r-1] ==alivecell && world [c+1][r-1] == alivecell||
                                        world [c-1][r-1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r-1] == alivecell||

                                                world [c+1][r+1] == alivecell && world[c-1][r] ==alivecell && world [c+1][r-1] == alivecell||
                                                world [c+1][r+1] == alivecell && world[c+1][r] ==alivecell && world [c+1][r-1] == alivecell||
                                                world [c+1][r+1] == alivecell && world[c][r-1] ==alivecell && world [c+1][r-1] == alivecell||
                                                world [c+1][r+1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r-1] == alivecell
                                // mix
                )


        {
            world [c][r] = alivecell;
        }   else {
            world [c][r] = deadcell;
        }



    }else if (world [a][a2]== deadcell){


        if ( 
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world [c-1][r] == alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world[c+1][r] ==alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world [c-1][r-1] == alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world[c+1][r+1] ==alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world [c-1][r+1] == alivecell ||
                world [c][r-1] == alivecell && world[c][r+1] ==alivecell && world[c+1][r-1] ==alivecell ||
                //2 cells on a row and one more neighbor near in some form


                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c][r+1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c][r-1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c+1][r+1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c-1][r+1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c+1][r-1] == alivecell ||
                world [c-1][r] == alivecell && world[c+1][r] ==alivecell && world [c-1][r-1] == alivecell ||
                // 2 cells on a column and one more neighbor near in some form


                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c-1][r-1] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c+1][r+1] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c+1][r] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c][r+1] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c-1][r] == alivecell ||
                world [c+1][r-1] == alivecell && world[c-1][r+1] ==alivecell && world [c][r-1] == alivecell ||


                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c+1][r] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c][r+1] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c][r-1] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c-1][r+1] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c-1][r] == alivecell ||
                world [c+1][r+1] == alivecell && world[c-1][r-1] ==alivecell && world [c+1][r-1] == alivecell||
                world [c+1][r+1] == alivecell && world[c-1][r] ==alivecell && world [c+1][r-1] == alivecell||
                // 2 cells shown diagonally and one more neighbor near in some form

                world [c+1][r+1] == alivecell && world[c][r-1] ==alivecell && world [c+1][r-1] == alivecell||
                world [c+1][r+1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r-1] == alivecell||
                world [c+1][r+1] == alivecell && world[c-1][r] ==alivecell && world [c+1][r-1] == alivecell||
                world [c+1][r+1] == alivecell && world[c-1][r] ==alivecell && world [c+1][r-1] == alivecell||

                world [c-1][r-1] == alivecell && world[c-1][r] ==alivecell && world [c-1][r+1] == alivecell||
                world [c-1][r-1] == alivecell && world[c+1][r] ==alivecell && world [c-1][r+1] == alivecell||
                world [c-1][r-1] == alivecell && world[c][r-1] ==alivecell && world [c-1][r+1] == alivecell||
                world [c-1][r-1] == alivecell && world[c][r+1] ==alivecell && world [c-1][r+1] == alivecell||

                world [c-1][r-1] == alivecell && world[c-1][r] ==alivecell && world [c+1][r-1] == alivecell||
                world [c-1][r-1] == alivecell && world[c+1][r] ==alivecell && world [c+1][r-1] == alivecell||
                world [c-1][r-1] == alivecell && world[c][r-1] ==alivecell && world [c+1][r-1] == alivecell||
                world [c-1][r-1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r-1] == alivecell||

                        world [c+1][r+1] == alivecell && world[c-1][r] ==alivecell && world [c+1][r-1] == alivecell||
                        world [c+1][r+1] == alivecell && world[c+1][r] ==alivecell && world [c+1][r-1] == alivecell||
                        world [c+1][r+1] == alivecell && world[c][r-1] ==alivecell && world [c+1][r-1] == alivecell||
                        world [c+1][r+1] == alivecell && world[c][r+1] ==alivecell && world [c+1][r-1] == alivecell
            // mix  

                )



        {
            world [c][r] = alivecell;
        }else{
            world [c][r] = deadcell;

        }

}
    }
    }


    System.out.format("%3s",world [a][a2]);
        }
        System.out.println();
        }


    System.out.println("continue / start next day, y(1) or n(2)?");
    cont = input.nextInt();
    }
    switch (cont){

    case 2:
        System.out.println("end");
        break;
    }

  //end

  }

    }
OUTPUT
Which column do you want a cell to be on? (starts at 0)
Which row do you want a cell to be on?
day 1
D D D D D D D D D D D D D D D D D D D D
D A D D D D D D D D D D D D D D D D D D
D D D D D D D D D D D D D D D D D D D D
add more living cells (type 1) or start game (press any other button)?
Which column do you want a cell to be on? (starts at 0)
Which row do you want a cell to be on?
day 1
D D D D D D D D D D D D D D D D D D D D
D A A D D D D D D D D D D D D D D D D D
D D D D D D D D D D D D D D D D D D D D
add more living cells (type 1) or start game (press any other button)?
Which column do you want a cell to be on? (starts at 0)
Which row do you want a cell to be on?
day 1
D D D D D D D D D D D D D D D D D D D D
D A A A D D D D D D D D D D D D D D D D
D D D D D D D D D D D D D D D D D D D D
add more living cells (type 1) or start game (press any other button)?
Day 2
D D D D D D D D D D D D D D D D D D D D
if the cells were near each other in this way, the "day 2 " out put should've been
D D A D D D D D D D D D D D D D D D D D
if-statement

dimanche 1 janvier 2017

Game of Life implementation in java, wont give out proper output [on hold]

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