java - Try to reach a special position on 2D Array -

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i have problem 2d-arry trying feld [1][4]=true, eclipse dows not go [1][4] position. below output

0 0 (0,0)__ 0 1 (0,1) 1 0 (1,0)__ 1 1 (1,1)__ 1 2 (1,2)__ 1 3 (1,3)__ 1 4 gefunden

i dont know why 1 4 not work if?!? should go in , should errow because [1][5] not reachable... 

 package maus;
  
public class newmausbesser {
  
public static void rekursivundzwarrichtig (boolean[][]feld2, int n, int m,int arraylänge) {     boolean feld[][] = feld2;
  
system.out.println(n + " " + m);  //und or oder? if((n!=arraylänge-1) && (m !=arraylänge-1)){     //system.out.println(n + " " + m);      if(feld[n][m]==true){         system.out.println("(" + n + "," + m + ")__");         rekursivundzwarrichtig(feld,n,m+1,arraylänge); }     else if (feld[n][m]==false){         system.out.println("(" + n + "," + m + ")");         rekursivundzwarrichtig(feld,n+1,m-1,arraylänge); }     }    else{     //return     system.out.println("gefunden"); } 
  
}
  public static void main(string[] args) {     int n = 5;        system.out.println("welche maße soll das feld haben (n,n)?");       while(n < 2){           n = keyboard.readint();           if(n < 2){               system.out.println("das feld ist zu klein, bitte wiederholen");           }       }        boolean feld [][] = new boolean [n][n];         for(int = 0; < n; i++){             for(int p = 0; p < n; p++ ){                 feld[i][p] = true;}}         feld[0][1]= false;     //  feld[1][1]= false;        rekursivundzwarrichtig(feld,0,0,n);   }


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