Thread: missing return statement need help!!

incompatible types -found int but expected boolen

owh...now i get it..the problem is i get confused with my first part of coding to be apply with second part which is game quiz start.
the first part is store the question and answer.

--- Update ---

i get the point now...when compile there no syntax error

Class compiled - no syntax error

if i want to run the programm it give an error

java.lang.ArrayIndexOutOfBoundsException: 50
	at state.main(state.java:161)

--- Update ---

here my full coding edited

 
/**
 * Write a description of class state here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
import java.util.*;
import java.io.*;
import java.util.Scanner;
public class state
{
    public static void main(String [] args)throws FileNotFoundException
    {
    Scanner input=new Scanner(System.in);
 
 
 String s =" ";
 String[] data, category, option,option2,option3,option4;
 data = new String [50];
 category = new String[50];
 option = new String [50];
 option2 = new String [50];
 option3 = new String [50];
 option4 = new String [50];
 int numq;
 
 
 
 
 int [] choice, answer;
 choice = new int[50];
 answer = new int[50];
 
 
 
 
System.out.printf(" Welcome to Quiz",s);
System.out.printf("What to do?",s);
 
System.out.println("1]Specify number of question you want to do");
 
System.out.println("2]Enter the question CATEGORY");
 
System.out.println("3]Enter the QUESTION for each category");
 
System.out.println("4]Enter the OPTION for each question");
 
System.out.println("5]Provide the ANSWER for each question");
 
System.out.println("6]Then your QUIZ GAME is ready to be play by your friend");
 
System.out.println("Press any key to start the game..");
System.out.println();
 
 
 
       System.out.println("How many question you want to create:");
       choice[1]=input.nextInt();
       System.out.println();
       System.out.print("\f");
       input.nextLine();
       System.out.println("Please enter your question CATEGORY");
 
       for (int a=0; a<choice[1];a++)
       {
           System.out.print(choice[2]+1+"]  ");
           data[a]=input.nextLine();
           choice[2]=choice [2] + 1;
        }
        System.out.print("\f");
        System.out.println();
        System.out.println("Please enter your Question");
 
        for (int  b=0; b<choice[1];b++)
        {
 
            System.out.println();
            System.out.println(" Category: " + data[b]);
            System.out.println(choice[3] + 1 +" ] ");
            category[b]=input.nextLine();
            choice[3]=choice[3]+ 1;
        }
        System.out.print("\f");
        System.out.println();
        System.out.println("Please enter your question option ");
 
        for (int c=0; c<choice[1];c++)
        {
            System.out.println();
            System.out.println("question : " + category [c]);
            System.out.println();
 
            System.out.println("1]");
            option[c] = input.nextLine();
 
            System.out.println("2]");
            option2[c] = input.nextLine();
 
            System.out.println("3]");
            option3[c] = input.nextLine();
 
            System.out.println("4]");
            option4[c] = input.nextLine();
 
            System.out.println();
            System.out.println("please set the answerto this question");
            System.out.print("the answer is ");
            answer[c]= input.nextInt();
            input.nextLine();
            System.out.println();
        }
 
        System.out.println("your quiz game is now ready...press the enter to start ");
        input.nextLine();
        System.out.print("\f");
 
 
        System.out.println(" welcome to game quiz");
 
        System.out.println("Game rule; 1] select 1 topic");
 
        System.out.println("2] answer the mcq question");
 
        System.out.println("3] each correct answer will given 10 point");
 
        System.out.println("4] each incorrect answer will be deducted 10 point");
 
        System.out.println("5] the game will be over once your answer the question wrongly");
 
        System.out.println();
        System.out.printf(" press the enter key to start the game...");
        input.nextLine();
 
        System.out.print("\f");
 
 
 
int Scorepoint= 0;
int rounds =0;
int c=50;
 
 
 while(rounds < choice[1])
 {
 System.out.println("please select a Category.");
  System.out.println("Your current point is :" +Scorepoint);
  {
  for (int i=0; i <choice[1]; i++);
}
  choice[2]=choice[1];
 
  System.out.println(data);
  System.out.println("1]" + option); 
  System.out.println("2]" + option2); 
  System.out.println("3]" + option3); 
  System.out.println("4]" + option4); 
  System.out.println("what is your answer");
  int playerans = choice[2];
 
  if (playerans<=answer[c])
  {
      System.out.print("\f");
      System.out.println("your answer is correct");
      System.out.println("the answer is:" + answer[c]);
      System.out.println();
      Scorepoint += 10;
      rounds += 1;
    }
else
    {
     System.out.print("\f");
     System.out.println("your answer is incorrect.");
     System.out.println("the answer is :" + answer[c]);
     System.out.println();
     Scorepoint -=10;
     rounds = choice[2];
    }
 
    playerans =0;
 
}
System.out.print("\f");
System.out.println("game Over");
System.out.println("your score:" + Scorepoint);
}
}

--- Update ---

please select a Category.
Your current point is :0
[Ljava.lang.String;@e3849c
1][Ljava.lang.String;@11756a4
2][Ljava.lang.String;@13936e1
3][Ljava.lang.String;@141fab6
4][Ljava.lang.String;@b301f2
what is your answer

what is this meant?

--- Update ---

I need help with above error and what should I do to fix...my coding

**
 * Write a description of class state here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
import java.util.*;
import java.io.*;
import java.util.Scanner;
public class state
{
    public static void main(String [] args)throws FileNotFoundException
    {
              Scanner input=new Scanner(System.in);
 
 
                 String s =" ";
           String[] data, category, option,option2,option3,option4,playera;
            data = new String [50];
            category = new String[50];
            option = new String [50];
            option2 = new String [50];
            option3 = new String [50];
            option4 = new String [50];
 
            int numq;
 
 
 
 
            int[] choice, answer;
            choice = new int[50];
            answer = new int[50];
 
 
 
 
 
            System.out.printf(" Welcome to Quiz",s);
            System.out.printf("What to do?",s);
 
            System.out.println("1]Specify number of question you want to do");
 
            System.out.println("2]Enter the question CATEGORY");
 
            System.out.println("3]Enter the QUESTION for each category");
            System.out.println("4]Enter the OPTION for each question");
            System.out.println("5]Provide the ANSWER for each question");
            System.out.println("6]Then your QUIZ GAME is ready to be play by your friend");
            System.out.println("Press any key to start the game..");
            System.out.println();
 
 
 
       System.out.println("How many question you want to create:");
       choice[1]=input.nextInt();
 
       System.out.println();
       System.out.print("\f");
       input.nextLine();
       System.out.println("Please enter your question CATEGORY");
 
       for (int a=0; a<choice[1];a++)
       {
           System.out.print(choice[2]+1+"]  ");
           data[a]=input.nextLine();
           choice[2]=choice [2] + 1;
        }
        System.out.print("\f");
        System.out.println();
        System.out.println("Please enter your Question");
 
        for (int  b=0; b<choice[1];b++)
        {
 
            System.out.println();
            System.out.println(" Category: " + data[b]);
            System.out.println(choice[3] + 1 +" ] ");
            category[b]=input.nextLine();
            choice[3]=choice[3]+ 1;
        }
        System.out.print("\f");
        System.out.println();
        System.out.println("Please enter your question option ");
 
        for (int c=0; c<choice[1];c++)
        {
            System.out.println();
            System.out.println("question : " + category [c]);
            System.out.println();
 
            System.out.printf("1]");
            option[c] = input.nextLine();
 
            System.out.printf("2]");
            option2[c] = input.nextLine();
 
            System.out.printf("3]");
            option3[c] = input.nextLine();
 
            System.out.printf("4]");
            option4[c] = input.nextLine();
 
            System.out.println();
            System.out.println("please set the answerto this question");
            System.out.print("the answer is ");
            answer[c]= input.nextInt();
            input.nextLine();
            System.out.println();
        }
 
        System.out.println("your quiz game is now ready...press the enter to start ");
        input.nextLine();
        System.out.print("\f");
 
 
        System.out.println(" welcome to game quiz");
 
        System.out.println("Game rule; 1] select 1 topic");
 
        System.out.println("2] answer the mcq question");
 
        System.out.println("3] each correct answer will given 10 point");
 
        System.out.println("4] each incorrect answer will be deducted 10 point");
 
        System.out.println("5] the game will be over once your answer the question wrongly");
 
        System.out.println();
        System.out.printf(" press the enter key to start the game...");
        input.nextLine();
 
        System.out.print("\f");
 
 
 
      int Scorepoint= 0;
          int rounds =0;
       int c=50;
          int playerans=0;
 
 
            while(rounds < choice[1])
           {
          int Noq;
 
           System.out.println("please select a Category.");
            for (int a=0; a<choice[1];a++)
           {
 
           System.out.println(" Category: " + data[a]);
        }
 
 
 
 
           System.out.println("Your current point is :" +Scorepoint);
           system.out.println;
           Noq = input.nextInt();
 
          for (int i=0; i <choice[1]; i++){
 
               choice[i]=choice[3];
 
             System.out.println(choice[1]);
             System.out.println("1]" + option); 
             System.out.println("2]" + option2); 
             System.out.println("3]" + option3); 
             System.out.println("4]" + option4); 
             System.out.println("what is your answer");
              answer[c] = input.nextInt();
 
 
                if (answer[c] == choice[i])
             {
               System.out.print("\f");
               System.out.println("your answer is correct");
               System.out.println("the answer is:" + answer[c]);
               System.out.println();
               Scorepoint += 10;
               rounds += 1;
              }
             else
                {
              System.out.print("\f");
              System.out.println("your answer is incorrect.");
              System.out.println("the answer is :" + answer[c]);
              System.out.println();
              Scorepoint -=10;
              rounds = choice[2];
             }
 
           playerans =0;
 
          }
           System.out.print("\f");
           System.out.println("game Over");
           System.out.println("your score:" + Scorepoint);
      }
    }
 
 }

i got a 'statement error'..
can u help abit how to fix or hint..

Thanks for helping me with coding. . Now my problem solved