java - This method must return a result of type int? Farkle Game -

this have far. reason, program won't let me return scoreone. method trying find repeated number , use points.

import java.util.scanner; public class farkle {      // may not declare static fields in farkle     // values must passed , methods (as described method      // headers)      /**      * <p>users set number of players (2-6) , score needed win      * game of farkle.      *       * <p>players take turns rolling dice , try accumulate required      * number of points. game ends when first player accumulate      * enough points declared winner.       *       * <p>program execution starts here.      *       * @param args unused      */      public static void main(string[] args) {         // todo         scanner in = new scanner(system.in);         /*          * should put welcome message , main           * program loop. make sure match output what's described          * in project specification.          */          system.out.println("welcome farkle.");         // number of players game         system.out.print("how many players? ");         int numofplayers = in.nextint();         while (numofplayers > 6 || numofplayers < 2)          {             system.out.println("invalid answer. farkle may played 2-6 players. ");             system.out.print("how many players? ");             numofplayers = in.nextint();         }         // user inputs points needed win         system.out.print("how many points need win? ");         int neededpoints = in.nextint();          system.out.println("game play until " + neededpoints + " points");         system.out.println("it player 1's turn. ");          //user inputs command game         system.out.print("enter command: ");         string command = in.next();         boolean commandloop = true;         int dice [] = new int [6];         int alldice [] [] = new int [10] [10];         int currentrollnum = 0;         int scoreone = 0;         int scoretwo = 0;         while (commandloop) {             if (command.equals("exit"))             {             system.out.println("game over.");             break;             }             if (command.equals("help") || command.equals("help"))              {             printhelp();             command = in.next();              }               if (command.equals("roll"))             {                 int arrayone [] = rolldice(dice, alldice, currentrollnum);                 system.out.println("your roll: [" + arrayone[0] + ", " + arrayone[1] + ", " + arrayone[2] + ", " + arrayone[3] + ", " + arrayone[4] + ", " +arrayone[5] + "]");                   int var = scoredice(arrayone);                  break;             }               if (command.equals("turn"))             {                 int arraytwo [] = rolldice(dice, alldice, currentrollnum);                 system.out.print("your roll: [" + arraytwo[0] + ", " + arraytwo[1] + ", " + arraytwo[2] + ", " + arraytwo[3] + ", " + arraytwo[4] + ", " +arraytwo[5] + "]");                 command = in.next();              }              }     }     private static void printhelp() {          system.out.println("\"roll\" - roll dice");         system.out.println("\"finish\" - terminate current turn");         system.out.println("\"dice\" - print current dice");         system.out.println("\"turn\" - print current turn far");         system.out.println("\"scores\" - print scores");         system.out.println("\"help\" - print menu");         system.out.println("\"exit\" - terminates game");      }     private static int[] rolldice(int[] dice, int[][] alldice, int currentrollnum) {         int dice1 = dice.rolldie(true);         int dice2 = dice.rolldie(true);         int dice3 = dice.rolldie(true);         int dice4 = dice.rolldie(true);         int dice5 = dice.rolldie(true);         int dice6 = dice.rolldie(true);          int [] newlyrolled= new int [6];         newlyrolled [0] = dice1;         newlyrolled [1] = dice2;         newlyrolled [2] = dice3;         newlyrolled [3] = dice4;         newlyrolled [4] = dice5;         newlyrolled [5] = dice6;          return newlyrolled;      }         private static void printdice(int[] dice) {              }      /**      * print 2d-array console.      * [turn1dice1, turn1dice2, turn1dice3, turn1dice4, turn1dice5, turn1dice6, ]<br />      * [turn2dice1, turn2dice2, turn2dice3, turn2dice4, turn2dice5, turn2dice6 ]<br />      * [2, 4, 4, 3, 1, 6, ]<br />      * [1, 3, 2, 5 ]<br /> ram alldice 2d-array of dice (representing rolls       * turn) printed console      */       private static void printdice(int[][] alldice) {         }      /**      * print record of dice rolled far during turn      * , number of points earned far.      *       * <p>output should formatted follows (where x currentturnscore):<br />      * [turn1dice1, turn1dice2, turn1dice3, turn1dice4, turn1dice5, turn1dice6, ]<br />      * [turn2dice1, turn2dice2, turn2dice3, turn2dice4, turn2dice5, turn2dice6 ]<br />      * etc.<br />      * x points far turn.<br />      *       * @param alldice 2d-array of dice (representing rolls       * turn)      * @param currentturnscore current score turn      */        private static void printturn(int[][] alldice, int currentturnscore) {        }      /**      * compute score rolled dice.        *       * dice should scored using following algorithm:      * <ol>      * <li>find groupings of dice of same number (die showing 0 not count)      * <li>the largest group (> size 1) of dice of same number worth       * points; number of points equal number of dice in group.       * <li>if more 1 die number has same size group, smallest die       * number should used.      * <li>if no groups > size 1 exist, 1 point can earned if there die       * number 1.       * <li>otherwise, 0 points earned.      * </ol>      *       * <p>dice found worth points should set 0, indicating      * no longer available re-rolled later in turn.      *       * <p>for example:<br />      * [2, 3, 4, 3, 5, 6]<br />      *  worth 2 points (for 2 3s)<br />      *  resulting dice = [2, 0, 4, 0, 5, 6]<br /><br />      * [2, 3, 4, 3, 2, 6]<br />      *  worth 2 points (for 2 2s)<br />      *  resulting dice = [0, 3, 4, 3, 0, 6]<br /><br />      * [0, 3, 4, 2, 0, 6]<br />      *  worth 0 points (because there no groups , no die showed 1)      *       * @param dice 1d-array of current dice.      * @return score earned dice.      */     private static int scoredice(int[] dice) {          int numone = 0;         int numtwo = 0;         int numthree = 0;         int numfour = 0;         int numfive = 0;         int numsix = 0;          ( int i=0; i<dice.length; i++)             {                 switch (dice[i]){                 case 1: numone++; break;                 case 2: numtwo++; break;                  case 3: numthree++; break;                 case 4: numfour++; break;                 case 5: numfive++; break;                 case 6: numsix++; break;                 }                 int scoreone = 0;                 if (numone > numtwo && numone > numthree && numone > numfour && numone > numfive && numone > numsix)                  {                 numone = scoreone;                  }                  else if (numtwo > numone && numtwo > numfour && numtwo > numfive && numtwo > numsix && numtwo > numthree)                 {                 numtwo = scoreone;                 }                 else if (numthree > numone && numthree > numtwo && numthree > numfour && numthree> numfive && numthree > numsix){                 numthree = scoreone;                 }                 else if (numfour > numone && numfour > numtwo && numfour > numthree && numfour > numfive && numfour > numsix){                 numfour = scoreone;                 }                 else if (numfive > numone && numfive > numtwo && numfive > numthree && numfive > numfour){                 numfive = scoreone;                 }                  return scoreone;                  }      }      /**      * resets dice "unrolled" value of 1.      *       * @param dice 1d-array of dice reset      */     private static void resetdice(int[] dice) {      }         /**      * resets dice rolls uninitialized value of -1.      *       * @param alldice 2d-array of dice reset      */     private static void resetdice(int[][] alldice) {      }      /**      * checks how many dice still available rolled. die no longer      * active if has value of 0.      *       * @param dice 1d-array of dice check      * @return number of dice still available roll      */     private static int numremainingdice(int[] dice) {         }       /**      * print current scores console.      *       * <p>output should formatted follows:<br />      * player 1: x<br />      * player 2: x<br />      * etc.<br />      * player 1's score stored @ index 0 in array.      *       * @param scores 1d-array representing player's current scores.      */     private static void printscores(int[] scores) {        }      /**      * determines if 1 of players has accumulated      * enough points (>= neededpoints) win.       *       * @param scores 1d-array of current scores      * @return index of winning player if 1 exists, else -1      */       private static int findwinner(int[] scores, int neededpoints) {        } } 

if length of dice array 0 (if empty), loop never run. means there chance of not being able return not allowed. solve this, must add return statement possible code paths, including 1 loop never executes. this, add return 0 @ end of method, after loop.