Can I get help on completing this java project on states and capitals array? [closed]

Goal: Have project display random States and have user input the corresponding capital for that state. Keep going until user presses cancel button and then display number of correct answers out of total tries.

I have gotten only so far and need help completing the rest of it. If you could please help me out

import java.util.Random;

import javax.swing.JOptionPane;

public class main {

static String States[] = new String[50];
static String Capitals[] = new String[50];
static int NumberofProbes = 0;

public static void LoadStates() {
    States[0] = "Alabama";
    Capitals[0] = "Montgomery";
    States[1] = "Alaska";
    Capitals[1] = "Juneau";
    States[2] = "Arizona";
    Capitals[2] = "Phoenix";
    States[3] = "Arkansas";
    Capitals[3] = "Little Rock";
    States[4] = "California";
    Capitals[4] = "Sacramento";
    States[5] = "Colorado";
    Capitals[5] = "Denver";
    States[6] = "Connecticut";
    Capitals[6] = "Hartford";
    States[7] = "Delaware";
    Capitals[7] = "Dover";
    States[8] = "Florida";
    Capitals[8] = "Tallahassee";
    States[9] = "Georgia";
    Capitals[9] = "Atlanta";
    States[10] = "Hawaii";
    Capitals[10] = "Honolulu";
    States[11] = "Idaho";
    Capitals[11] = "Boise";
    States[12] = "Illinois";
    Capitals[12] = "Springfield";
    States[13] = "Indiana";
    Capitals[13] = "Indianapolis";
    States[14] = "Iowa";
    Capitals[14] = "Des Moines";
    States[15] = "Kansas";
    Capitals[15] = "Topeka";
    States[16] = "Kentucky";
    Capitals[16] = "Frankfort";
    States[17] = "Louisiana";
    Capitals[17] = "Baton Rouge";
    States[18] = "Maine";
    Capitals[18] = "Augusta";
    States[19] = "Maryland";
    Capitals[19] = "Annapolis";
    States[20] = "Massachusetts";
    Capitals[20] = "Boston";
    States[21] = "Michigan";
    Capitals[21] = "Lansing";
    States[22] = "Minnesota";
    Capitals[22] = "St. Paul";
    States[23] = "Mississippi";
    Capitals[23] = "Jackson";
    States[24] = "Missouri";
    Capitals[24] = "Jefferson City";
    States[25] = "Montana";
    Capitals[25] = "Helena";
    States[26] = "Nebraska";
    Capitals[26] = "Lincoln";
    States[27] = "Nevada";
    Capitals[27] = "Carson City";
    States[28] = "New Hampshire";
    Capitals[28] = "Concord";
    States[29] = "New Jersey";
    Capitals[29] = "Trenton";
    States[30] = "New Mexico";
    Capitals[30] = "Santa Fe";
    States[31] = "New York";
    Capitals[31] = "Albany";
    States[32] = "North Carolina";
    Capitals[32] = "Raleigh";
    States[33] = "North Dakota";
    Capitals[33] = "Bismarck";
    States[34] = "Ohio";
    Capitals[34] = "Columbus";
    States[35] = "Oklahoma";
    Capitals[35] = "Oklahoma City";
    States[36] = "Oregon";
    Capitals[36] = "Salem";
    States[37] = "Pennsylvania";
    Capitals[37] = "Harrisburg";
    States[38] = "Rhode Island";
    Capitals[38] = "Providence";
    States[39] = "South Carolina";
    Capitals[39] = "Columbia";
    States[40] = "South Dakota";
    Capitals[40] = "Pierre";
    States[41] = "Tennessee";
    Capitals[41] = "Nashville";
    States[42] = "Texas";
    Capitals[42] = "Austin";
    States[43] = "Utah";
    Capitals[43] = "Salt Lake City";
    States[44] = "Vermont";
    Capitals[44] = "Montpelier";
    States[45] = "Virginia";
    Capitals[45] = "Richmond";
    States[46] = "Washington";
    Capitals[46] = "Olympia";
    States[47] = "West Virginia";
    Capitals[47] = "Charleston";
    States[48] = "Wisconsin";
    Capitals[48] = "Madison";
    States[49] = "Wyoming";
    Capitals[49] = "Cheyenne";

}


public static void main(String[] args) {
    // TODO Auto-generated method stub
    Random rand = new Random();
    String inputstring1 = "What is the Capital of: ";
    String finalinputstring = "";
    String correctoutputmsg = "";
    String outputmsg = "";
    String msg = "";
    String caps = "";
    String state = "";
    String Answer = "";
    Boolean keepgoing = true;
    int row = 0; 
    int countright = 0;

    LoadStates(); 

    while (keepgoing) {
        
        double num = 0;
        row = GetNextStateIndex(rand);
        
        finalinputstring = inputstring1 + States[row];
        
        // this is where the input is done
        Answer = JOptionPane.showInputDialog(finalinputstring);
        
        if (Answer == null || Answer.equals("")) {
            keepgoing = false;
        } else {
            String answerlowercase = Answer.toLowerCase();
            String caplowercase = Capitals[row].toLowerCase();
             
            if (caplowercase.equals(answerlowercase)) {
                countright++;
                correctoutputmsg = answerlowercase + "is correct!!"
                        +"correct answers so far:";
            }
            else
                
                
            
            catch (ArrayIndexOutOfBoundsException myex) {
                
                String errormsg = "Array out of bounds Exception error: " + myex;
                JOptionPane.showMessageDialog (null, errormsg);
        }

    }
    // this is the messafe we want to show
    outputmsg = "the number of Capitals correct is: " + countright + "out of: " ;
    JOptionPane.showMessageDialog(null, outputmsg);
}
public static int GetNextStateIndex(Random rand) {

    final int min = 0;

    final int max = 49;

    int value = rand.nextInt((max - min) + 1) + min;

    return (value);

    }

}